Methylcystein
甲基胞嘧啶
🗣️ 情景例句
Let's finish eating,
我们赶紧吃完。
If you look up, you can see the airplanes.
抬头看，你看到飞机了吧。
I've never met him but I've talked to him on the net.
我没见过他，但我和他在网上聊过天。