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
Absolutely right.
完全正确。
His courage is a lesson to us.
他很有勇气，是我们大家的榜样。
The woman kept as near as she could to the children and even tried to get into the case herself, but it was too small.
这位妇女尽可能地靠近孩子，甚至自己也想钻进箱子里去，只是箱子太小了。