Toroid
[计] 环形线, 环
🏥 医学释义
环，环形线，复曲面，螺旋管
🗣️ 情景例句
We have a very important meeting on at the moment.
现在我们正在开一个非常重要的会。
A little knowledge is a dangerous thing.
浅学误人。
But this does not matter, for, as he has often remarked, one is never too old to learn.
但这没有关系，因为正如他常说的那样，人要活到老学到老。