Firehose instability
[电] 套管型不稳性
🧩 词语组成解析
n. 消防带
🗣️ 情景例句
I've never seen anyone as strict as my boss.
我就没见过像我们老板这么严厉的人。
How long does it take?
火车要开多久？
Not too much, said Lucy. I didn't spend all the money. I brought some of it back again.
“不太多，”露西说，“我并没有完你给的钱。我带回来一些钱。”