Valve rocker
[化] 阀摇杆
🧩 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;
rocker
['rɑ:kə(r);'rɔkə]
n. 摇杆，摇轴;摇椅，摇木马;摇滚乐歌曲，摇滚歌手;弯底冰鞋;
🗣️ 情景例句
Are you still doing your photography?
你还在搞摄影吗？
In university, students are trained to become lawyers and dentists.
大学的学生被训练成为律师和牙医。
No one discovers a rarity by chance.
无论是谁都不会一下子就发现一件珍品。