Pcvd
[化] 等离子化学气相沉积
🗣️ 情景例句
Oh, I don't know.
噢，这个我就不知道啦。
I enclosed some photographs in my letter.
我在信封里装了一些相片。
It may also be said that rational, industrious,useful.
也可以这样说，理智的、勤劳的、有用的。