亚洲久久在线_成年女人在线看片_中文字幕日韩有码_超碰caoporn久久_黄色大片在线免费看_一区二区毛片_欧美极品视频在线观看_亚洲最大的成人av_99久久国产视频_亚洲第一视频网

down

英 [da?n] 美[da?n]
  • adv. 向下,下去;在下面
  • adj. 向下的
  • n. 軟毛,絨毛;[地質] 開闊的高地
  • prep. 沿著,往下
  • vt. 打倒,擊敗
  • vi. 下降;下去
  • n. (Down)人名;(英)唐

CET4GRE考研CET6中低頻詞基本詞匯

詞態(tài)變化


復數(shù):?downs;第三人稱單數(shù):?downs;過去式:?downed;過去分詞:?downed;現(xiàn)在分詞:?downing;

中文詞源


down 向下

來自古英語dun, 山地,山丘,堡壘,詞源同downs, town. 進一步來自PIE*dheue, 關閉,圍,圈住,居住地,詞源同dune, town. 詞義由山上過渡到下山,在16世紀開始做為副詞使用,這種詞義演變在所有日耳曼語系同源詞中僅發(fā)生在英語。

down 絨羽

來自PIE*dheu, 塵土,漂浮,詞源同dust. 用來指絨羽或絨毛。

英文詞源


down
down: Effectively, English now has three distinct words down, but two of them are intimately related: for down ‘to or at a lower place’ [11] originally meant ‘from the hill’ – and the Old English word for hill in this instance was dūn. This may have been borrowed from an unrecorded Celtic word which some have viewed as the ultimate source also of dune [18] (borrowed by English from Middle Dutch dūne) and even of town.

Its usage is now largely restricted to the plural form, used as a geographical term for various ranges of hills (the application to the North and South Downs in southern England dates from at least the 15th century). The Old English phrase of dūne ‘from the hill’ had by the 10th century become merged into a single word, adūne, and broadened out semantically to ‘to a lower place, down’, and in the 11th century it started to lose its first syllable – hence down.

Its use as a preposition dates from the 16th century. (The history of down is closely paralleled in that of French à val, literally ‘to the valley’, which also came to be used for ‘down’; it is the source of French avaler ‘descend, swallow’, which played a part in the development of avalanche.) Down ‘feathers’ [14] was borrowed from Old Norse dúnn.

=> dune
down (adv.)
late Old English shortened form of Old English ofdune "downwards," from dune "from the hill," dative of dun "hill" (see down (n.2)). A sense development peculiar to English.

Used as a preposition since c. 1500. Sense of "depressed mentally" is attested from c. 1600. Slang sense of "aware, wide awake" is attested from 1812. Computer crash sense is from 1965. As a preposition from late 14c.; as an adjective from 1560s. Down-and-out is from 1889, American English, from situation of a beaten prizefighter. Down home (adj.) is 1931, American English; down the hatch as a toast is from 1931; down to the wire is 1901, from horse-racing. Down time is from 1952. Down under "Australia and New Zealand" attested from 1886; Down East "Maine" is from 1825; Down South "in the Southern states of the U.S." is attested by 1834.
down (n.1)
"soft feathers," late 14c., from Old Norse dunn, perhaps ultimately from PIE root *dheu- (1) "to fly about (like dust), to rise in a cloud."
down (n.2)
Old English dun "down, moor; height, hill, mountain," from Proto-Germanic *dunaz- (cognates: Middle Dutch dunen "sandy hill," Dutch duin), "probably a pre-insular loan-word from Celtic" [Cambridge Dictionary of English Place-Names], in other words, borrowed at a very early period, before the Anglo-Saxon migration, from PIE root *dheue- "to close, finish, come full circle." Meaning "elevated rolling grassland" is from c. 1300.

The non-English Germanic words tend to mean "dune, sand bank" (see dune), while the Celtic cognates tend to mean "hill, citadel" (compare Old Irish dun "hill, hill fort;" Welsh din "fortress, hill fort;" and second element in place names London, Verdun, etc.). German Düne, French dune, Italian, Spanish duna are said to be loan-words from Dutch.
down (v.)
1560s, from down (adv.). Meaning "swallow hastily" is by 1860; football sense of "bring down (an opposing player) by tackling" is attested by 1887. Related: Downed; downing.

雙語例句


1. She dusted herself down and left to build her own career.
她重振旗鼓去開創(chuàng)自己的事業(yè)了。

來自柯林斯例句

2. Try to support each other when one of you is feeling down.
當有人覺得情緒低落時,要努力相互打氣。

來自柯林斯例句

3. One of the office girls was down with the flu.
一位女職員得了流感。

來自柯林斯例句

4. Rather taken aback by such forwardness, I slammed down the phone.
如此無禮的言語讓我火冒三丈,我砰的一下把電話掛了。

來自柯林斯例句

5. These will be very constrained budgets designed to get the deficit down.
這些預算旨在減少赤字,將會大大受限。

來自柯林斯例句

99热精品在线| 91麻豆精品国产片在线观看| 欧美一区二区三区在线观看| 国产国语对白一级毛片| 沈樵在线观看福利| 国产不卡在线观看视频| 九九免费高清在线观看视频 | 精品国产一区二区三区久久久狼| | 欧美激情一区二区三区在线 | 午夜精品国产自在现线拍| 日本伦理片网站| 九九免费高清在线观看视频 | 国产成人精品影视| 国产麻豆精品免费密入口| 久久成人性色生活片| 美女免费黄网站| 97视频免费在线观看| 成人免费观看视频| 国产原创视频在线| 亚洲女初尝黑人巨高清在线观看| 成人免费网站视频ww| 精品国产一区二区三区久久久狼| 久久久久久久男人的天堂| 国产高清在线精品一区二区| 日韩在线观看免费完整版视频| 欧美一级视频免费| 亚洲女人国产香蕉久久精品| 久久国产精品永久免费网站| 免费毛片播放| 色综合久久天天综合观看| 日韩综合| 欧美电影免费看大全| 久久国产精品自线拍免费| 黄视频网站免费| 国产麻豆精品hdvideoss| 四虎影视库| 国产伦精品一区二区三区在线观看| 欧美日本二区| 国产伦精品一区二区三区无广告| 日本久久久久久久 97久久精品一区二区三区 狠狠色噜噜狠狠狠狠97 日日干综合 五月天婷婷在线观看高清 九色福利视频 | 国产高清在线精品一区二区| 久久国产一久久高清| 欧美激情一区二区三区在线| 精品久久久久久中文字幕2017| 免费国产在线观看| 99久久精品费精品国产一区二区| 美女免费黄网站| 可以免费看毛片的网站| 欧美一级视频高清片| 欧美激情一区二区三区在线| 麻豆污视频| 精品视频一区二区| 韩国三级视频在线观看| 色综合久久天天综合| 九九久久国产精品| 久久国产精品永久免费网站| 九九免费精品视频| 九九干| 国产a视频| 国产网站在线| 免费国产在线观看不卡| 一级女性大黄生活片免费| 可以免费看毛片的网站| 日韩av片免费播放| 久久久成人网| 一 级 黄 中国色 片| 韩国三级视频在线观看| 在线观看成人网 | 黄色免费三级| 国产一级强片在线观看| 午夜在线亚洲| 999精品影视在线观看| 国产原创视频在线| 日韩专区第一页| 成人免费福利片在线观看| 国产不卡高清| 国产原创视频在线| 精品视频免费在线| 日本久久久久久久 97久久精品一区二区三区 狠狠色噜噜狠狠狠狠97 日日干综合 五月天婷婷在线观看高清 九色福利视频 | 999久久狠狠免费精品| a级毛片免费观看网站| 久久99中文字幕久久| 麻豆午夜视频| 黄色福利片| 国产视频一区在线| 四虎影视久久| 黄视频网站免费观看| 99久久精品国产免费| 99久久精品费精品国产一区二区| 韩国毛片| | 999精品在线| 精品视频一区二区三区免费| 韩国三级视频网站| 麻豆午夜视频| 亚洲第一色在线| 日韩免费在线| 成人高清免费| 一级毛片看真人在线视频| 午夜在线亚洲| 欧美国产日韩久久久| 毛片成人永久免费视频| 日韩在线观看视频网站| 可以免费看毛片的网站| 99色视频在线| 亚洲第一色在线| 精品视频一区二区三区| 99热精品一区| 精品视频在线观看免费| 九九九国产| a级毛片免费观看网站| 精品国产一区二区三区精东影业| 九九久久99综合一区二区| 亚洲爆爽| 国产一区二区福利久久| 欧美1区| 成人免费一级纶理片| 国产视频在线免费观看| 欧美一级视频免费| 999久久久免费精品国产牛牛| 91麻豆爱豆果冻天美星空| 黄色福利片| 99色播| 毛片高清| 精品视频一区二区| 国产不卡福利| 成人在免费观看视频国产| 日韩女人做爰大片| 国产福利免费视频| 精品久久久久久中文字幕一区| 国产成人精品综合| 国产一级生活片| 国产麻豆精品高清在线播放| 在线观看成人网 | 国产视频一区二区在线观看| 久久成人综合网| 欧美一级视频免费| 久久精品大片| 欧美夜夜骑 青草视频在线观看完整版 久久精品99无色码中文字幕 欧美日韩一区二区在线观看视频 欧美中文字幕在线视频 www.99精品 香蕉视频久久 | 国产高清视频免费观看| 久久99中文字幕久久| 一级女性大黄生活片免费| 国产亚洲精品aaa大片| 你懂的国产精品| 久草免费在线观看| 精品国产一区二区三区久久久蜜臀 | 九九久久国产精品| 亚洲天堂免费观看| 国产精品自拍在线| 日本特黄特色aaa大片免费| 欧美日本免费| 一级毛片看真人在线视频| 好男人天堂网 久久精品国产这里是免费 国产精品成人一区二区 男人天堂网2021 男人的天堂在线观看 丁香六月综合激情 | 99久久精品国产高清一区二区| 国产成人啪精品| 日本在线www| 久久久成人影院| 日本特黄一级| 欧美日本国产| 超级乱淫伦动漫| 免费国产在线观看不卡| 久久国产影院| 国产伦精品一区三区视频| 国产极品精频在线观看| 91麻豆精品国产高清在线| 亚洲第一页色| 国产网站在线| 欧美激情一区二区三区视频| 国产福利免费观看| 欧美一级视| 欧美另类videosbestsex久久| 日韩一级黄色大片| 日韩在线观看视频免费| 香蕉视频久久| 久久国产精品自由自在| 天天做日日爱| 亚洲精品影院一区二区| 国产国产人免费视频成69堂| 天堂网中文字幕| 九九九国产| 国产一区精品| 国产精品自拍一区| 国产伦久视频免费观看 视频| 欧美夜夜骑 青草视频在线观看完整版 久久精品99无色码中文字幕 欧美日韩一区二区在线观看视频 欧美中文字幕在线视频 www.99精品 香蕉视频久久 | 久久国产一区二区| 国产网站免费视频| 韩国三级视频网站| 国产不卡高清| 国产成人啪精品| 99久久网站| 亚洲女初尝黑人巨高清在线观看| 日本伦理片网站| 精品久久久久久免费影院| 九九免费高清在线观看视频 | 成人在免费观看视频国产| 久久国产影视免费精品| 成人免费网站久久久| 99色视频在线观看| 91麻豆高清国产在线播放|