Bootlessly
adv. 无益地
🗣️ 情景例句
What time should I call back?
我应该何时再打来？
How long will it take for a telegram to get to California?
你把电报传到加州要多长时间？
I'm sorry, I don't know. You'd better ask that policeman.
对不起，我不知道。你最好问问那位警察。