Metering valve
[化] 计量阀
🧩 词语组成解析
n. 测光模式；计量, 测量
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 old couple has already been married for fifty years.
那对老夫妻结婚已经 50 年了。
The farthest way about is the nearest way home.
欲速则不达。
Do you go to work by bike?
你骑自行车上班吗？