Orificemeter
锐孔流速计, 测流孔
🗣️ 情景例句
You're making a mountain out of a molehill.
你在小题大做，把鼹鼠丘当成大山。
My brother took a trip to Mexico.
我的兄弟到墨西哥旅行了。
I can hear something! said Lucy.Does anybody live on this island?
“我听到什么东西了！”露茜说，“岛上有人居住吗？”