Diriment
a. 使无效的
✅ 同义词
🗣️ 情景例句
We finished addressing over three hundred envelopes.
我们写了三百多个信封地址了。
I cannot afford two days off a week.
我忙得无法一星期抽出两天休假。
We're not going to have any classes next week.
下周我们不上课。