体积、数量、长度等的比较）是......的多少倍。

③主语(A)＋谓语＋倍数＋形容词或副词的比较级＋than＋B表示"A比B大(小、高、长等)多少倍"。

　This tree is three times as tall as that one.这棵树是那棵树的三倍高。

　The production of this year is twice that of last year.今年的产量是去年的两倍。

　The earth is 49 times the size of the moon.地球的大小是月球的49倍。

小试牛刀： 一句多译

这张桌子是那张桌子的三倍长。

①__________________________________________ ____

②________________________________________ ______

③________________________________________ ______

3．I cried，"walking does need a bit of practice now that gravity has changed."(P31)

我大声说，"重力改变了，看来走路也的确需要练一练了。"

now that"既然"，引导原因状语从句，其中的that可以省略。例如：

Now that everyone is here，let's begin our meeting. 译：

①引导原因状语从句的连词：now that，since，because，as，considering that等。

②引导原因状语的短语：due to，thanks to，because of，as a result of 等

小试牛刀： 完成句子

①既然天气那么好，我们去野餐吧。

___________ _____，let's go for a picnic.

②既然已完成了工作，你就应该好好休息一下。

________ ____the work. You should have a good rest

4．break out突发，爆发

We watched，amazed as fire broke out on the outside of the spaceship as the earth's gravity increased.(P31)

我们惊奇地看着，随着地球引力的增加，宇宙飞船的外层燃烧起火。

归纳拓展：.Com]

break up解散；打碎 break away from...脱离......

break down打破；坍塌；(精神、身体)垮掉 break in进入；插话

break into强行进入(某处)；突然开始(大笑、欢呼等)