Valve cone
[化] 阀锥体
🧩 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;
cone
[kəun]
n. 圆锥体;球果;圆锥形东西;
vt. 使成锥形;
🗣️ 情景例句
Since I retired,
自从我退休以后，
When I was informed of the announcement of my nomination.
当获知我已被提名时。
the bank must recognize its customer's signature.
因为银行有责任辩认出其储户的签名。