Fluted roller
[机] 沟纹辊
🧩 词语组成解析
a. 笛声的, 有凹槽的
🗣️ 情景例句
What are you up to?
你呢？你怎样？
A great ship asks deep water.
巨轮寻深水而航行。
You're welcome.
不客气。