Valve-switching mechanism
[化] 阀转换机构
🧩 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;
[计] 交换\\n[经] 转换, 调换, 调头
mechanism
['mɛkənɪzəm]
n. [生]机制，机能，[乐]机理;（机械）结构，机械装置[作用]，（故事的）结构;[艺]手法，技巧，途径;机械作用;
mechan=mechine机械+ism主义 →机械装置
🗣️ 情景例句
She told Robbie that her flight tomorrow was canceled,
她告诉Robbie说 她明天的班机取消了
He that is angry is seldom at ease.
怒者寡宁。
Don't thank goodness! Thank this good girl!
不要谢天谢地！要谢这位好姑娘！