Erh
abbr. 平衡相对湿度（equilibrium relative humidity）
🗣️ 情景例句
How are you doing, Richard?
现在怎么样， Richard？
I played downstairs last night.
我昨晚在楼下玩。
lack of physical and mental energy, both of which are essential in turning out and throwing away, and sentiment.
一是体力，精力均告不佳，这二者是清除无用的东西必不可少的因素；另一原因是感情因素。