Normal concentration
[化] 规定浓度; 当量浓度
🧩 词语组成解析
🗣️ 情景例句
It's a privilege to know you.
认识您是我的荣幸。
By no means.
决不。
For one agonizing moment, the dish was perched precariously on the bank of the canal, but it suddenly overbalanced and slid back into the water.
在令人忐忑不安的瞬间，盘子晃晃悠悠地上了岸，但它突然失去了平衡，又跌回水中。