Internal check valve
[化] 内单向阀
🧩 词语组成解析
internal
[ɪn'tɝnl]
adj. 国内的;内部的;体内的;内心的;
prep. （机构）内部的;
n. 内脏，内部器官;本质，本性;
intern=inter 在…之内 + al 属于...的 → a.内的；国内的
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
In friendship, always. Alexandra.
友情永不渝。Alexandra。"
I can only afford to watch television for an hour gonight because I have homework to do.
因为我要做家庭作业，所以今晚我只能花一小时看电视。
that a series of deep soundings was obtained in the Atlantic and the first samples were collected by dredging the bottom.
才在大西洋测得一个个海水深度，同时通过挖掘海底，取得了研究海底的首批样品。