他很强壮，以至于他能摘到树上的苹果用英语怎么说

可以用以下的方式表达：
He is strong enough to touch the apples on the tree and pick some of them down.
He is so strong as to climb up to the tree to pick the apples on it.
He is so strong that he is able to climb up to the tree to pick the apples on it.