Check valve
止回阀\\n[化] 单向阀; 止回阀; 止逆阀
🧩 词语组成解析
check
[tʃɛk]
vt. 检查，核对;制止，抑制;在…上打勾;
vi. 核实，查核;中止;打勾;[象棋]将一军;
n. <美>支票;制止，抑制;检验，核对;
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
OK. Do you know when you'll come and visit?
好啊。你知道几时还会再来拜访我们吗？
You really did it this time!
这下你可糟了！
Last year was a bad year for the company. There was a big fall in sales.
去年公司不景气。销售额骤减。