Sarkin
[医] 次黄嘌呤, 6-羟基嘌呤
🗣️ 情景例句
As simple as that.
就这么简单。
What's your plan for the summer holiday?
暑假计划干什么？
A week later, Mr Brain rang Zheng Jie and spoke to a friend of his.
一周以后，布雷恩先生打电话给郑杰，接电话的是郑杰的一位朋友。