Firehose instability
[电] 套管型不稳性
🧩 词语组成解析
n. 消防带
🗣️ 情景例句
not music or dancing or entertainment.
而不是音乐， 舞蹈或者娱乐。
If it hadn't rained so hard yesterday, we would have played tennis.
如果昨天没下那么大的雨，我们就去打网球了。
She came into my room yesterday.
昨天她到我房里来了。