Reverse valve
[化] 回动阀
🧩 词语组成解析
reverse
[rɪ'vɝs]
vt.& vi. （使）反转;（使）颠倒;掉换，交换;[法]撤消，推翻;
vi. 倒退;[桥牌]逆叫;
adj. 反面的;颠倒的;倒开的;[生]倒卷的;
n. 倒转，反向;[机]回动;倒退;失败;
re向后，相反+verse转→反转，颠倒
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
The only thing holding us back is our financial situation.
只是财政状况未许可，所以才拖延到现在。
It is lost labour to sow where there is no soil.
没有土壤，播种也是徒劳。
Please come in and sit down. But come to school earlier next time.
但下次要早点到校。