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
I had the appointment written on my calendar and was looking forward to the occasion.
我早已把这个约会写在我的日历上而且一直期待着这一时刻。
Do not count your chickens before they are hatched.
鸡蛋还未孵，先别数鸡雏；莫过早乐观。
'I have just arrive in Scotland and I'm staying at a Youth Hostel.'
“我刚到苏格兰，我现住在一家青年招待所。”