Valve seat reamer
[机] 阀座纹刀
🧩 词语组成解析
valve
[vælv]
n. 阀;真空管;（管乐器的）活栓;（心脏的）瓣膜;
vt. 装阀于;以活门调节;
seat
[sit]
n. 席位，座位;所在地;场所;臀部;
vt. 使就座;使就职;使获得座位（或席位）;可容纳若干座位;
n. 钻孔器, 铰刀, 果汁压榨器\\n[化] 铰刀; 铰床
🗣️ 情景例句
Please don't take offense. I only wanted to tell you what I think.
请别生气，我只是想告诉你我的想法。
Who is the auther of this biography?
谁是这篇传记的作者？
I want to improve, but I don't know how.
我想提高它，但又不知道怎么样才能提高。