Hydroapatite
水磷灰石
🗣️ 情景例句
Good idea.
好主意。
May I help you?
要我帮忙吗？
During his first year, Chaplin acted in 35 films, many of which he wrote and directed himself.
在第一年里，卓别林演了35部电影，其中的许多电影是他自编自导的。