运动员在比赛前会吃大量碳水化合物食物，如米饭和土豆，来补充能量。

Athletes eat lots of ___carbs like rice and potatoes before competitions for energy.

运动后我喜欢喝一瓶冰凉的碳水化合物饮料补充能量。

After a workout, I like to recharge with an ice-cold ___carbo.