Gaining
n. 增进单向开槽；单向开槽
🗣️ 情景例句
What floor is the shoe department on?
鞋部在几层？
What's so funny?
什么事那么好笑？
It is impossible to look for life on another planet using earth-based telescopes.
使用放置在地球上的望远镜是无法观察到其他行星的生命的。