Epitrochoid
[机] 外转轴线
🗣️ 情景例句
Genetics is a whold new industry with huge market potential.
基因是一门新兴产业且拥有巨大的潜在市场。
Living without an aim is like sailing without a compass.
生活没有目标，犹如航海没有罗盘。
We have just moved into a new house and I have been working hard all morning.
我们刚刚搬进一所新房子，我辛辛苦苦地干了整整一个上午。