Annular valve
[机] 环状阀, 轮形阀
🧩 词语组成解析
annular
[['ænjulə]]
a. 环形的\\n[医] 环状的
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;
🗣️ 情景例句
It's a pleasure to meet you.
认识你是我的荣幸。
Kennedy Airport, please. I have to be there by 7:00.
请到肯尼迪机场。我得在七点前赶到那儿。
Soon afterwards, the balloon began to descend and it landed near an airfield.
不久，气球开始降落，在一个停机坪附近着了陆。