Methylcystein
甲基胞嘧啶
🗣️ 情景例句
Grandpa, can you come?
爷爷， 你能去吗？
So I've heard.
我听说是这样。
Friday, Saturday and Sunday in the country!Aren't you lucky!
星期五、星期六和星期日在乡下过！你们真幸运啊！