Unuseful
a. 无用的,无益的
🗣️ 情景例句
Would you kindly hold these keys, please?
请帮我拿一下钥匙。
No. Can't you see that rocket is almost falling down.
不。你不知道火箭快要倒下来了吗？
Certainly!said her mother.
“当然可以！”她妈妈说。