Undc
联合国裁军委员会
🗣️ 情景例句
No, he never did.
没有， 从来没有。
We have every reason to cancel the contract because you've failed to fulfil your part of it.
我们完全有理由取消合同，因为你们没有完成应遵守的合同内容，履行合同。
He waited until the volcano became quiet and he was able to return two days later.
他等到火山平静下来，两天以后又返回去。