Pyramine
嘧胺, 2-甲-4-氨-5-羟甲基嘧啶
🗣️ 情景例句
Bill Gates has created a legend in the hi-tech sector.
比尔.盖茨在高技术领域创造了一个神话。
Is there a police station nearby?
这附近有没有警察局？
Why?what happened.
为什么？怎么啦？