🧩 词语组成解析
backup
['bækˌʌp]
n. 支持,后援;阻塞;<计>备份文件;[乐]伴奏;
adj. 备用的,后补的;支持性的;伴奏的;
🗣️ 情景例句
I don't know.
我不知道。
It can't be helped.
没办法了。
May I? Thanks. Oh, this one is nicer than the other one. What's in it?
可以吗?谢谢。噢,这个比那个更好点儿。里面放的是什么?