Talide
碳化钨硬质合金
🗣️ 情景例句
Yes, I remember. You were a great help.
是的， 我记得。你帮了个大忙。
I wrote several letters on my mother's behalf.
我代表我母亲写了几封信。
Great efforts ensure the success of our work.
巨大的努力确保了我们工作的成功。