Orificemeter
锐孔流速计, 测流孔
🗣️ 情景例句
We spent a lot of time fishing together.
我们以前常常一起钓鱼。
You don not have to reveal your age.
你不必透露你的年龄。
Autumn is a busy season. The days get shorter and the nights get longer.
秋天是繁忙的季节。白天逐渐变短，夜晚则渐渐变长。