Demetalization
[化] 脱金属; 脱金属作用
🗣️ 情景例句
That was so thoughtful of you, Michelle.
你想得真周到， Michelle
There's no such thing as a free lunch.
天下没有白吃的午餐。
I've been here for about two years. I've been here since 1993.
我到这儿大约有两年时间了。我自1993年就到这儿学习。