Fluted roller
[机] 沟纹辊
🧩 词语组成解析
a. 笛声的, 有凹槽的
🗣️ 情景例句
Well, I never! I thought you were in HongKong.
哎，我真没想到！我还以为你在香港呢。
When the weather is hot, we turn on the air conditioner.
天热的时候就开空调。
As a matter of fact, he was pretending to be ill.
实际上，他是在装病。