Valve actuation
[机] 阀动
🧩 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;
n. 开动, 激励\\n[医] 激动, 感动
🗣️ 情景例句
What are you talking about?
你在说什么呀？
Love laughs at locksmith.
春闺锁不住。
They stopped talking when their boss came in.
当老板进来的时候；他们停止了交谈。