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微波炉发明源于一项最高军事机密 Many people around the world use a microwave oven every day, not knowing that a crucial part of it was once a top military secret. 世界上许多人每天都在使用微波炉,但却不了解它曾经是一
[00:01.26]Unit 4 Inventions and Inventors [00:05.02]Lesson 13 [00:10.56]Exercise 1.2 [00:14.46]Microwave ovens are used by [00:16.53]millions of families every day. [00:18.99]Many of you may have a microwave oven [00:21.23]in your home. [00:22.79]the
How Military Research Finds Its Way to Everyday Life 军事研究是如何走进日常生活的? WASHINGTON Sometimes simple scientific advances in one field can have value far beyond their intended use. Many of these advances can change the world an
1.结构不平行 例:I was able to raise my TOEFL score by studying hard and I read lots of books. 当使用连词将一系列的单词联接起来的时候,应当使用词性相同或同一类型的短语。 2.不知所云 例:Many companies
Lets nuke it in the microwave, we often say as we pull a frozen dinner out of the freezer. That figure of speech seems to express the fact that our experience with nuclear power and with microwaves goes back only a few years, while our experience wit