conj.一旦…就…;一经
n.一次,一回
网络一次;一度;曾经;曾
all at once
1 . 突然
for once (或this once)
2 . 就(这)一次;破例一回
once a ——, always a ——
3 . (谚)一次…始终…
once again (或more)
4 . 又一次,再一次
once and for all (或once for all)
5 . 一劳永逸;彻底地
once and future
6 . 永久的;持久的;持续的
once bitten, twice shy1. side two contains four once and future hit singles.第二面有四首持续走红的单曲。once (或every once) in a while
7 . 偶然;间或
once or twice
8 . 一两次
once upon a time
9 . 从前(用于故事的开头)
at once
1 . 立刻;同时
1.belonging to some prior time;
erstwhile friend
2.on one occasion;
once I ran into her
3.as soon as;
once we are home, we can rest
4.at a previous time;
once he loved her
1.直流冷却水系统
2. once-through cooling water system
3. 直流水系统
4. once-through water system
1.抛弃法烟气脱硫
2. once-through FGD process
3. 直流锅炉
4. once-through boiler
1 . 一次
...rarely(极少),never(从不)once(一次),twice(两次).
2 . 一度
...从前香山观有个道士天天讲故事once∶曾经,一度从前和她很熟悉,可是现在忘记了她的名字.
3 . 曾经
最佳音乐剧*《曾经》(once)《信仰的飞跃》(Leap of Faith)
4 . 曾
I onceraised a little puppy ., 我曾饲养过一只小狗.
1 . 一次且仅一次
...一次且仅一次(once and only once,简称OAOO)又称为 Don't repeat yourself(不要重复你自己,简称DRY)或一个规则,实现一次(one rule, one place)是面向对象编程中的基本原则,程序员的行事准则。旨在软件开发中,减少重复的信息。DRY的.
1 . 一遍又一遍
英语翻译_已解决问题_搜狐问答 ... 半小时half an hour 一遍又一遍once and once again 减速lower the speed.
1 . 我曾经
Well , I once did a bit of waiting ., 是的 , 我曾经做过一段时间的侍者.
1 . 立刻
...A.less;more B.less;less C.more;less D.more;fewer26.Those boys broke Mr. Read's window. When they saw Mr. Read get out of his house, they __________ at once(立刻).A.climbed up B.took away C.ran away D.called back.
1.I do this only oncein a blue moon.
此事我只是极为偶然而为之。
2.Oncein a blue moon I have a little wine with dinner.
我难得有一次在吃午饭时喝一点儿酒。
简介 英文单词:once:once英音:[wʌns]美音:[wʌns] 副词ad. 1.一次,一回 I see them onceevery two months. 我每两个月与他们见一次面。 2.昔日,曾经 He onceknew her, but they are no longer friends. 他以前认识她,但他们已经不是朋友了。 名词n. 1.一次,一回 Onceis enough. 一次就够了。 连接词conj. 1.一旦,一经。..便 Onceyou get into a bad habit, you'll find it hard to get out of it. 一旦