In the course of evolution , some birds have lost the power of flight.

在演化过程中一些鸟失去了飞行的能力。

属类：综合句库--

In politics Britain has preferred evolution to revolution,ie gradual development to sudden violent change.

在政治上,英国喜欢渐进而不喜欢革命.

属类：综合句库-典型例句-

That system is so precise and so fast that I find it impossible to believe that evolution left us with a chronic water deficit"Valtin said

这个系统非常精确,运转也非常迅速,因此我很难相信进化将我们处于慢性缺水的状态中。

属类：综合句库--

This is a clear exposition of the theory of evolution .

这是对进化论的清晰的阐述。

属类：综合句库--

These investigators tenaciously argued the evolution of stars downward along the sequence ought to be accompanied by a continuous and very substantial loss of mass

这些研究者就顽固地争辩说,恒星沿主星序向下的演化,应该伴随着连续的和很显著的质量损失。

属类：综合句库--

It reminded him that unforeseen factors operate in the evolution of immortality

这种情形,叫他想到,事物不朽不灭的演化,是有不能预知的因素操纵着的。

属类：综合句库--

Consequently, the evolution of stars brought to the world the alternation of seasons and difference between day and night.

正是由于有了日月星辰的运行,地球上才有了春夏秋冬和昼夜的区分

属类：社会文化-传说-女娲补天

Just as Darwin discovered the law of evolution in organic nature, so Marx discovered the law of evolution in human history; he discovered the simple fact, hitherto concealed by an overgrowth of ideology

正像达尔文发现有机界的发展规律一样,马克思发现了人类历史的发展规律,即历来为繁茂芜杂的意识形态所掩盖着的一个简单事实

属类：学习英语-不同结构句-长句

Political evolution is a slow process.

政治变革是一个缓慢的过程。

属类：综合句库--

That history began with the origin of the primitive, unicellular aquatic algae of the Precambrian Eon. Except for the blue-green algae and bacteria, the fossil record of this earliest part of plant evolution is extremely poor.

最初,前寒武纪出现原始的单细胞水生藻类,除了蓝绿藻和细菌之外。这个最早部分的植物演化化石纪录是极其简单的。

属类：工程技术-地质-地质与勘探