1. Every awkward attempt meets with sympathy and encouragement, and the most difficult step on the path of language becomes the merriest game.
    每一次尴尬的尝试都会受到同情和鼓励，这样在语言学习道路上最困难的一步变成了最愉快的游戏。

2. Blood circulates in the body.
    血液在体内循环。

3. Business English is simply a set of English vocabulary words; it is not,as some seem to think, a language unto itself.
    商用英文只是一组英文字汇,它并不是如一些人所想,本身自成一种语言.

4. By keeping their pupils working unnecessarily long at some little part of the subject, they often weaken their interest in learning the language.
    让学生们在一些细小的方面花去过多的时间反复练习，这往往会减弱他们学习语言的兴趣。

5. By the next day the exposed parts of his body had turned a chocolate brown.
    第二天，他身上裸露的部位变成了巧克力一样的棕色。

6. By 2084, if we can store a dead body in a cold refrigerator room soon enough, lots of people who now would die may not.
    到2084年，如果我们能及早将尸体储存到冷藏室内，那么许多现在可能难逃一死的人或许可以就起死回生了。

7. But the human body attacks and destroys tissue from other species.
    但是人体会攻击并破坏来自其他物种的组织。

8. Because Australia's native people and black Africans share such superficial characteristics as skin color and body shape, they were widely assumed to be closely related.
    因为澳洲土著和非洲黑人之间有一些共同的外表特征，如肤色、体型等，所以普遍认为他们有较近的亲缘关系。

9. For language, which was invented to convey the meanings of this world, cannot readily be fitted to the uses of another.
    因为我们发明的语言是用来描述这个世界的含义，不能随便拿来去描述另一个世界。

10. It is very rarely that one comes across a dead body, except, of course, on the roads.
    但是，除非在路上，很少有人遇到这些动物的尸体，