Rheotron
[物](=betatron)电子感应加速器, 电磁感应加速器, 电子回旋加速器, 通用流变仪
🗣️ 情景例句
but I'm restless.
但我闲不住。
One man makes a chair and another man sits in it.
坐享其成。
Every man is fool sometimes, but none at all times.
每个人都有愚蠢的时候，但是没有一个人永远愚蠢。