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1·He's a big eater.

他饭量大。《新英汉大辞典》

2·He is a big eater.

他是个食量极大的人。

3·Dave is a big eater but he's met his match with Gordon-he eat like a horse.

戴维很能吃，他碰到了同样非常能吃的戈登。

4·Of course, there is a big difference between a finicky eater and a child with autism.

当然，挑食与自闭症之间存在很大的区别。

5·Not every Big Mac eater exercises that strenuously.

显然，不是每个吃巨无霸的人都会这么勤奋地锻炼的。