单词：convection microwaves
单词：convection microwaves 相关文章
[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
北师大版初中英语九年级（全一册）
The hour hand on a clock moves about ten thousand times faster than the flowing rocks of the mantle. 钟面上时针的移动速度，比地幔岩石的流动速度，要快大约1万倍。 The movements occur not just laterally as the Earth's plates
万物简史
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
英语时差8，16
Microwaves heat water by jerking the water molecules around, so to speak. Each water molecule has a slight positive electric charge on one side and a slight negative charge on the other. As microwaves pass by, they exert forces on those charges, firs
英语时差8，16