Methylcystein
甲基胞嘧啶
??? 情景例句
It's Grandma's recipe.
這是奶奶的配方。
Yes. It's right here.
好的，就在這里。
It is hard for energetic, quick-minded people to waste time,
他們常常受到責備，精力充沛、頭腦敏捷的人極不愿意浪費時間，