Beryllia
氧化鈹
??? 情景例句
Well, we could tell her
嗯，我們可以告訴她
I answer telephones and do some typing.
我接電話和打字。
Don't speak to me now, Kate. I must go. I'm late !
凱特，不要和我說(shuō)了，我必須走了，要遲到了。