Dermatol
酸铋
🗣️ 情景例句
I don't have time to take any elective classes.
我没有时间去上任何选修课。
Absence sharpens love, presence strengthens it.
相聚爱益切，离别情更深。
They have to work hard to support their family.
他们必须努力工作来支持他们的家。