Callis
片状煤
🗣️ 情景例句
First, we need to more public relations activities to promote understanding.
首先，我们应该更多地做公关活动以促进了解。
He is very hard to handle.
他很难应付。
We should add a clause regarding arbitration of differences.
我们应该附加一条关于仲裁分歧的条款。