useful at TEF/TCF常用TEF/TCF专四

擅长 ... newuseful at的英文翻译是什么意思，词典释义与在线翻译：参考翻译擅长… useful at的用法和样例：例句My wife is very useful at cooking.
我的爱人很会做饭。His wife is very useful at cooking.
他的妻子擅长烹调。

to be useful at some time in the futureto be useful at some time in the future

пригодиться, прийтись кстати Don\'t throw those jars away - they might come in handy.

His wife is very useful at cooking.His wife is very useful at cooking.

他的妻子擅长烹调。

擅长 ... newuseful at的英文翻译是什么意思，词典释义与在线翻译：参考翻译擅长… useful at的用法和样例：例句擅长 ... newuseful at的英文翻译是什么意思，词典释义与在线翻译：参考翻译擅长… useful at的用法和样例：例句

我的爱人很会做饭。

Titanium is useful at low concentration only.Titanium is useful at low concentration only.

钛只在低浓度时起作用。