色欲tv国产亚洲_久久午夜夜伦鲁鲁影院_一级特黄无码A片在线观看_免费黄色性感一级片_国内破女处破苞视频hd_欧美三级少妇免费_亚洲美腿丝袜福利一区_白丝秘书被躁到高潮视频av_91麻豆精品分享的内容是很丰富的_国产原创免费av网站

avail

英 [?'ve?l] 美[?'vel]
  • n. 效用,利益
  • vt. 有益于,有益于;使對(duì)某人有利。
  • vi. 有益于,有益于;使對(duì)某人有利。

TEM8CET6IELTS考研低頻詞常用詞匯

詞態(tài)變化


第三人稱單數(shù):?avails;過去式:?availed;過去分詞:?availed;現(xiàn)在分詞:?availing;

助記提示


1、a- "to" (see ad-) + -vail- "be worth".

中文詞源


avail 有益,有用

前綴a-同ad-, 去,往. 詞根val, 力量,詞源同value, valiant. 指有益的,有力量的。

英文詞源


avail
avail: see value
avail (v.)
c. 1300, availen, apparently a French compound formed in English from Old French a- "to" (see ad-) + vailen "to avail," from vaill-, present stem of valoir "be worth," from Latin valere (see valiant). Related: Availed; availing. As a noun, from c. 1400.

雙語例句


1. His efforts were to no avail.
他徒勞無功。

來自柯林斯例句

2. I apologized repeatedly, but to little avail.
我一再道歉,但絲毫沒有奏效。

來自柯林斯例句

3. We tried to keep him alive but to no avail.
我們?nèi)尵人?但卻徒勞無功.

來自《簡(jiǎn)明英漢詞典》

4. They tried artificial respiration but it was of no avail.
他們?cè)囎鋈斯ず粑?可是無效.

來自《簡(jiǎn)明英漢詞典》

5. They entreated and threatened, but all this seemed of no avail.
他們時(shí)而懇求,時(shí)而威脅, 但這一切看來都沒有用.

來自《簡(jiǎn)明英漢詞典》