n. 警卫;狱吏,看守;护卫队;防护装置;
vt. 保卫,守护;看守;加防护装置;谨慎使用;
vi. 警惕;警卫;
🗣️ 情景例句
What is wrong with you?
你怎么啦?
No, thanks. I'm in a hurry. How much is it?
不用了,谢谢。我还有急事。多少钱?
I'm afraid I can't agree with you. That's a good way of giving information, but it's not a good way of persuading people. For one thing, it's boring, and people aren't going to read an ad that looks boring. For another thing, one computer looks very like