Erh
abbr. 平衡相對濕度（equilibrium relative humidity）
??? 情景例句
You're very talented.
你非常有才華。
Play dumb.
裝傻！
But I guess we've got some of the most beautiful mountains and countryside in the world.
但我想我們有一些世界上最美的山脈和鄉(xiāng)村。