Himet
碳化钛硬质合金
🗣️ 情景例句
I think I have an idea.
我有一个主意。
Don't be afraid he will get there on time.
不要怕他会准时到那里。
It seems she was in class on Friday afternoon, but no one has seen her since.
好象她星期五还在教室，但从那以后没人看见过她。