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conj.一旦
adv.一次；曾经
n.一次，一回
1、nonce───adj.（词、表达）临时杜撰的；特定场合的；n.目前；特定场合；亵童犯（非正式）；n.(Nonce)（法、美、意）农斯（人名）
2、one───num.一；一个；一岁；一点钟；pron.一个人；任何人，人们（表泛指）；那个人；（特指的）那种人；det.一个（强调某人或某事）；一个（用于比较相似的人或物）；某个（用于不认识的人的名字前）；adj.唯一的；一的；n.一；一美元纸币；n.(One)（印、马、美）温（人名）
3、bonce───n.头；脑袋
4、oncer───n.每周上一次教堂的人；（对尽义务的事）只ZuoYiCi的人
5、Ponce───n.庞塞（拉丁美洲波多黎各岛南部港市）
6、-ance───n.状态；性质；情况
7、ounce───n.盎司；少量；雪豹
8、onie───预计起飞时间
9、sonce───太阳
1、He once lived in Zambia.───他曾在赞比亚生活过。
2、"Once upon a time, there was an ambitious young man who didn't read The Economist. The End, " read one particularly audacious ad from 2004.───2004年一则特别大胆创新的广告这么说到：“从前，有一个很有抱负的年轻人，他不看《经济学人》，完了。”
3、I've only been there once.───我只去过那里一次。
4、"You once let me play in your garden, " said the child. "Today you'll come with me into my garden in heaven. "───“你曾经让我在你的花园里游玩，”男骇说，“今天我就要把你带到我天国里的花园里去。”
5、I met Miquela once, briefly.───我见过蜜凯拉一次，时间很短。
6、Confucius once said: do not put me on your tolerance as you shameless capital!───子曾经曰过：不要把我对你的容忍当成你不要脸的资本！
7、France, long a symbol of colonialist oppression in North Africa, looked once again like the hated imperial power it had formerly been.───长久以来，法国在北非被视为殖民压迫的象征，此番再次被视为过去那个令人憎恨的皇权。
8、Once the six entrances exist, the child becomes aware of contact. Therefore, it is said, "The six entrances are the condition for contact. "───由这种六入，这个小孩子就有了一种触觉，所以说「六入缘触」。
9、but it seems to be already well-established that dreams have once and for all left the world of unreality for the world of the laboratory.───但是有一点已经得到了很好地证明——梦已经彻底离开了非现实世界，进入了实验室。
1、The earth rotates once a day.
2、Once water begins to boil,its temperature no longer rises.
3、The valiant never tastes of death but once.
4、Once bit [bitten] twice shy.
5、Hear twice before you speak once.
6、If necessary I can come at once.
7、He that doth most at once doth least.
8、The word once spoken can never be realled.
9、She determined to go at once.