Cav
[计] 恒定角速度
🗣️ 情景例句
Michelle is very grown up for a ten-year-old, huh?
以一个十岁的孩子来说 Michelle很成熟 ，是吗？
Now or never.
机不可失，失不再来。
Compared with competing products, ours is smaller and lighter.
比起其它竞争产品，我们的比较轻巧。