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back

/bæk/
adverb, noun, verb★中级
正式

在后面;向后;回复

The car backed up slowly.

汽车慢慢地倒车。

非正式

后部;背面;背

The back of the shirt is dirty.

衬衫的背面很脏。

正式

支持;帮助

I'm back to support you.

我来支持你。

搭配

back up支持;倒车back off退后;放弃back on重新启动;恢复

同义词

反义词

相关短语

back and forth成语
来回;反复
back to back成语
背靠背;连续

💡专业提示

记忆技巧

可以通过 'back' 的字面意思 '后部' 来记忆相关用法。

📖词源

来自古英语 'bæc',意为 '后部'。

📝用法说明

注意 'back' 作为动词、名词和副词的不同用法。

英汉词典

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