Electrocladding
电镀
🗣️ 情景例句
do I really have to
我是不是真的有必要
Hello. I wish to speak to Mr.Chen?
喂，我想和陈先生讲话。
At the age of twelve years, the human body is at its most vigorous.
人体在12岁时是生命力最旺盛的时期。