Helitron
[电] 电子螺旋管
🗣️ 情景例句
I'm not only willing to help, I'm willing and able.
我不但示意帮忙，而且能够帮上忙。
Better one-eyed than stone-blind.
独眼总比全瞎好。
No spitting on the street.
禁止在大街上吐痰。