Xacorin
茶碱胆碱(强心、利尿剂)
🗣️ 情景例句
Just follow me, Mr. Johnson.
请跟我来 Johnson先生。
In college I majored in math, What was your major?
大学时我主修数学，你主修什么呢？
Yes, there are.
是的，有。