Erh
abbr. 平衡相对湿度（equilibrium relative humidity）
🗣️ 情景例句
Sure.
不用谢。
Wit bought is better than wit taught.
不经一事，不长一智。
The little baskets were empty and the ground was covered with pieces of paper, cigarette ends, old tyres, empty bottles and rusty tins.
废物筐是空的，而满地都是纸片、烟头、旧轮胎，空瓶子和生锈的空罐头盒。