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
You shouldn't have.
不该这样破费的。
I will be in between six and eight.
我6点至8点都在。
After he had put it on the floor, he promptly went to sleep again.
他把床垫往地板上一放，很快又睡着了。