1.treetop n.树稍

Thereupon, it finds a treetop falling behind.
于是，它找到一枝树梢落下。

Come and have tea in my treetop house.
跟我到树顶的屋里喝杯茶怎么样。

2.branch n.树枝；分支；部门

One shows all the balances of a customer at the branch.
其中之一展示了这家分行所有客户的余额。

It became a fourth branch of government, an industry and a circus.
选民倡议成了政府的第四个部门，一个产业和一种表演。

3.trunk n.树干；象鼻；躯干

385 Million b.c. during the middle devonian period of the paleozoic era, a prehistoric fern adds a new growth ring to its trunk, creating the world's first timeline.
公元前3.85亿年在古生代的泥盆纪中期，一棵史前蕨类在其树干上又加了一圈年轮，建立了世界上第一个时间表。

Jabuticaba, or the brazilian grape tree, is a very strange plant native to the south eastern parts of brazil. What makes this plant so strange is that it fruits from its trunk.
嘉宝果，又称巴西树葡萄，原产于巴西东南地区，它是一种非常奇怪的植物，果实直接长在树干上。

4.cruel a.残酷的，残忍的；使人痛苦的

Why did fate played such cruel games with him?
为什么命运和他开这么残酷的玩笑？

Some inflict cruel and unusual punishments on their flocks.
这些教练对他们的会员施加残忍且难以想象的惩罚。