once什么意思、怎么读？单词用法、记忆法、发音音标、反义词辨析、词语翻译、例句造句

单词：once发音、音标、怎么读？

once 音标：[wʌns]

单词：once的单词意思解释释义

ad. 一次, 曾经, 一旦conj. 一旦, 一经n. 一次a. 从前的相关词组: once or twice not once all at once at once at once...and... more than once once more once and again once and away once and for all once in a way once in a while once too often just for once once upon a time once a week

单词：once的快速记忆法

◆记忆方法一：
联想方式：once=one（一）；c（次）
记忆方法：一次就一次

once单词用法语法

once用作副词与连词的用法说明

once用作副词与连词的用法说明

1. 用作副词，表示“一次”，是频度状语，通常放在句末，有时也放在句首。如：
I’ll help you once but then you must do it by yourself. 我只帮你一次，但以后你就得自己做了。
Once he made bold to ask her to accompany him to a party. 有一次他鼓起勇气要求她陪他去参加一个晚会。
表示“曾经”“一度”，是表示不确定时间的副词，通常放在行为动词之前，特殊动词（助动词、情态动词、动词 be）之后，有时也可放在句首。如：
Once there stood an old church on the hill. 山丘上曾经有一座古教堂。
This novel was once very popular but nobody reads it today. 这本小说曾经很受欢迎，但现在没有人读了。
表示“一次”的once还经常与 a, every 等连用。如：

单词：once的近义词、反义词、形近词辨析

as soon as/once

I'll give this note to him as soon as school is over.一放学我就把这张便条给他。
Once you see him,you will never forget him.你一旦见到他，就永远忘不了他。
<辨析>两者都可译作“刚......就......”、“一旦......就......”，表示主句动作紧接在从句动作之后发生。as soon as 强调时间的紧接，once 则带有条件意味。试比较：As soon as the bell rang,the teacher came in.铃一响，老师就进来了(不宜用 once)。You won't find it difficult once you have understood the rule.一旦你懂得了这条规律，你就不会感到困难了。(不宜用 as soon as)

与单词：once 相关的例句或者名人名言

It would be beneficial for you to go outside every once in a while.
偶尔出去走走对你有好处。

I have told you once about this!
关于这个我已经告诉过你一次了！

A fellow journalist once told me that if you are not writing every day, then you are an amateur.

一个同行的记者曾经告诉我，如果你不每天写写，那么你是一个业余爱好者。

I met her once several years ago.

几年前我曾经风过她一面。

I go and see him once a week.

我每个星期都去看他。

※Friendship is like earthenware: once broken, it can be mended; love is like a mirror: once broken, that ends it. Josh Billings. American humorist友谊就像陶器，破了可以修补；爱情好比镜子，一旦打破就难重圆。美国幽默作家比林斯. .J
※Fortune knocks once at least at every man's door. 人人都有鸿运高照之日。
※In the election of a wife, as in a project of war, to err but once is to be undone for ever. 选择妻子也象策画战争，一时之错将成终身之恨。
※One cannot do a foolish thing once in one's life, but one must hear of it a hundred times. 为人一生一件蠢事也不做，但要听到上百遍蠢事。