Irrotational
a. 无旋的
🗣️ 情景例句
He started out on a voyage around the world.
他开始周游世界。
I may be wrong, but your theory is all wrong, professor.
也许我不对，不过，教授您的理论是完全错了。
You don't have many apples, Jim, says Li Lei.
“你的苹果不多，吉姆，”李垒说