1.The apple trees were laden with fruit.

1.上结累累。

2.They are mucking the apple trees.

2.他们正在给。

3.Around here apple trees began to be planted extensively in 1953.

3.1953这一带开始大规模种植。

4.The apple tree was bowed down with the weight of its fruit.

4.那棵实累累, 压弯了枝。