Alarm check valve
[化] 报警单向阀
🧩 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
Now, to check the list of things we need for the camping trip.
现在， 让我们检查一下露营旅行所需物品的清单吧。
Who is the auther of this essay?
谁是这论文的作者？
A man was lying in the box on top of a pile of woolen goods.
箱内有一个人正躺在一堆毛织品之上。