Etofylline
[化] 乙羟茶碱
🗣️ 情景例句
There's a park over there. Let's walk in the park for a while.
那边有个公园。我们去散散步吧！
Hello. Is Mrs.James in, please?
喂，请问詹姆斯太太在家吗？
Two return tickets to London,please.
买两张到伦敦的往返票。