Polycysteine
[化] 聚胱氨酸
🗣️ 情景例句
I love to pig out on junk food.
我爱吃垃圾食品。
The designer is going to create a new type of dress.
服装设计师正在设计新款女装。
The bull was busy with the matador at the time,
当时那公牛正忙于对付斗牛士，