Mesothoriumi
[化] 新钍I; 228Ra
🗣️ 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。
You can stay assured that shipment will be effected according to the contract stipulation.
你尽管放心，我们将按合同规定如期装船。
The race gave everyone a great deal of pleasure.
这次比赛使每个人都挺开心。