He had been feeling drowsy, the effect of an unusually heavy meal.

他一直感到昏昏欲睡，因为吃了一顿异常量大而难以消化的饭、菜。

After I ate that heavy meal, I became very sleepy.

饱餐一顿之后，我就很困了。

Eating a heavy meal may increase the risk of heart attack.

224每顿饭食量过大会增加患心脏病的危险。

Don't eat a heavy meal within four hours of going to bed.

在睡觉前四小时之内不要吃油腻食物。

One day after a heavy meal, it was sleeping under a tree.

有一天，它在饱餐一顿之后，在一棵树下休息。