绿叶

There are advantages to underground life,too,and something to be said for imaging whole cities,even mankind generally,moving downward,of having the outermost mile of the Earth's crust honeycombed with passage and strue-ture,like agigantic ant hill.

这个句子并不复杂，但不好译。这个句子有三层关系，比较、条件和结果，按这种逻辑关系翻译就十分省事。同今天地面城市里的居民相比，新洞穴里的居民如果在比较健康的生态环境中生活，会有更多的机会见到青枝绿叶。

Tiny Orange Crab, Panay Island, Philippines, 2002

在菲律宾的班乃岛，一只橙色小蟹在绿叶上爬行。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。