Reversing valve
[化] 回动阀
🧩 词语组成解析
a. 回动的\\n[化] 换向
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;
🗣️ 情景例句
Jeans are popular among the young.
牛仔裤很受年轻人喜爱。
Nature, time, and patience are the three great physicians.
自然，时间和耐心，是三大伟大的医生。
Not only was the meal well below the usual standard, but Bessie seemed unable to walk steadily.
结果，不仅饭菜远不如平时做得好，而且贝西走起路来似乎东倒西歪。