Degradinite
显微硬质煤组分
🗣️ 情景例句
Well, I saw a nice watch.
嗯，我已看中了一只好表 。
That's why he is now concentrating on conversation at a language school near his home.
这就是他在他家附近的一所语言学校专攻口语的原因。
I think we can draw up a tentative plan now.
我认为现在可以先草拟一具临时方案。