Porphyrine
紫菜碱
🗣️ 情景例句
I want a 3-button wireless mouse.
我想要一个三键光电鼠标。
We never imagined that John would become a doctor.
我们从来没想象约翰将成为一位医生。
In the Northwest, there will be snow in the night.
西北夜间将降雪。