once是什么意思_音标_用法_例句

简单释义：

adv. 一次；曾经；仅一次；根本

conj. 一旦；一…就；当…时候

n. 一次

adj. 从前的

网络 一度；一奏倾情；有一次

完整释义：

adv.

1.一次,一趟,一回,一遍;一倍
2.一次,有一次
3.一次也(不),无论何时也(不)〔用于否定结构〕
4.一旦…
5.曾经,一度,昔日,过去,有一个时期
6.从前,曾经
7.突然
8.完全

conj.

1.一旦…就,一…就,一经…就,有朝一日
2.一…(便)…,一经,一旦

adj.

1.从前的

n.

1.一次,一回

例句：

1. If I died have asked you certainly deliver me, an only regulation, good let me know I once passed through on the road had you to accompany.
   如果我死了请你一定送送我，只一程，好让我知道我曾走过的路上有你陪。

2. This technical forum meets at least once a year and sets the framework of guidelines for the Community's operational agenda.
   这个技术论坛每年至少召开一次，为共同体的操作议程制定框架及指导方针。

3. Winston Churchill once observed that dogs look up to us, cats look down on us but pigs treat us as equals.
   邱吉尔曾说，狗仰头尊敬人，猫瞧不起人，猪则与人平起平坐。

4. Once upon a time there was a wicked sprite, indeed he was the most mischievous of all sprites.
   从前，有一个很坏的小魔鬼，他是所有妖魔中最坏的家伙。

5. Formerly it was the standard contractual arrangement to supply a plane ticket from our home country and back once a year.
   以前，每年一次的回国往返机票是工作合同条款里的一项。

6. Anthropologists say all this was only possible because people were willing to treat total strangers in a manner once reserved for kin.
   人类学家说，这一切只可能是因为人们愿意用对待家属的态度来对陌生人。

7. Melissa Gottlieb, 24, a Manhattan publicist, once asked a policeman to drive her to class in college because she was running behind.
   曼哈顿24岁的公关专员哥特利布（MelissaGottlieb）大学时曾请求一名警察载她去学校上课，因为她要迟到了。

8. Nancy: That's fine with me. You can let me know where it's going to be held once you book a meeting room.
   南西：我没问题。等妳订好会议室后再让我知道要在哪里开会。