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
I like to snack between meals
正餐间我爱吃点零食。
It's out of the question.
这是不可能的。
I can't understand why he is being so selfish. He isn't usually like that.
我不明白他此刻怎么这么自私。他平时不这样。