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
It's a perfect day for it--a little cloudy but nice and warm.
今天是最好的看球天气，有点云，但舒适暖和。
I was about to leave.
我正要出门。
small at first, narrowly contained within its banks,
开始很小，被紧紧地夹在两岸中间，