Clofedanol
敌退咳
🗣️ 情景例句
He's gone for the day.
他整天都不在。
Rain comes after sunshine, and after a dark cloud, a clear sky.
晴日之后有雨水，乌云过去见青天。
It was from the study of these that so much was learnt about the interior of the earth.
正是从这两种波的研究中，我们可以了解到地球内部的许多情况。