Prerotation
(气流的)预旋
🔁 扩展释义
【化】 预旋
🗣️ 情景例句
It's our family tree.
这是我们的家谱。
Three times a week I have to walk all the way to the gym for my Phys Ed class.
一周有三次，我为了参加体育课而必须走路到体育馆。
Can you spell it, please?
请把它拼出来好吗？