Undc
联合国裁军委员会
🗣️ 情景例句
It was an extremely difficult and dangerous task.
这是一项极度困难的危险的工作。
Sufficient for the day is the evil thereof.
一天的不幸已够人受的了，别再自寻烦恼。
You did a great job.
你赶得很好。