Regulating valve
[化] 調節閥
?? 詞語組成解析
vt. 調節；校正（regulate的現在分詞）
valve
[v?lv]
n. 閥;真空管;（管樂器的）活栓;（心臟的）瓣膜;
vt. 裝閥于;以活門調節;
??? 情景例句
Max will always have a family member to watch over him
家里總會有一個人照顧Max
How can it be so small and heavy?
這樣小何以這么重呀？
Who served you, sir?
是誰接待您的，先生？