Spherical valve
[化] 球阀; 截止阀
🧩 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;
🗣️ 情景例句
If you're not sure, then the answer should probably be no.
如果你不确定，那么答案可能就是“不”了。
He concentrated solely on law studies.
他把全部精力只用于攻读法律。
She was choosing a book. He told her about the accident.
她正在选书。他将发生的情况告诉了她。