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
I never realized that.
我从来没有意识到这点。
They are used to seeing him every day.
他们习惯了每天见到他。
I want to pick some bananas, said Kate. I'm hungry!
“我要摘些香蕉，”凯特说，“我饿了！”