1. One of these, the bark of cinchona tree, was found to be excellent for treating malaria.
    其中，人们发现用金鸡纳树皮来治疗疟疾疗效极好。

2. Last summer I spent days in the garden watching thousands of ants crawling up the trunk of my prize peach tree.
    去年夏天，我花了好几天时间站在花园里观察成千只蚂蚁爬上我那棵心爱的桃树的树干。

3. It´s a deciduous tree.
    这是棵落叶树。

4. It is an evergreen tree.
    那是一棵常青树。

5. I dug a hole in the ground to plant the tree.
    我在地上挖一个洞种树。

6. I must get some ornaments for my Christmas tree.
    我必须买些装饰品装饰我的圣诞树.

7. I stumbled over a tree root.
    树根绊了我的脚.

8. I bound the base of the tree with sticky tape, making it impossible for the ants to reach the aphids.
    我用一条胶带把桃树底部包上，不让蚂蚁接近蚜虫。

9. It is said that if anyone touches the tree, he will have bad luck; if he picks a leaf, he will die.
    据说，谁要是触摸了这棵树，谁就会交上恶运；如果谁摘了一片树叶，谁就会死去。

10. In spite of all that has been said, the tourists have been picking leaves and cutting their names on the tree-trunk.
    尽管有上述种种说法，但游客们还是照常摘树叶和把他们的名字刻在树干上。