单词:double insulated conductor
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Revision Lesson 9 A ride on a double-decker Yesterday it was Gretel's afternoon off. You needn't stay indoors, Gretel, Mrs Clark said. You like paintings. Why don't you go to the Tate Gallery? There's a famous collection of modern paintings there. Ho
说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 conductor She is a very kind conducto
The Federal Opposition is demanding the government inspect all homes insulated under its failed scheme. More than one million homes have been insulated under the program. But the government's paying for just 200,000 of them to be checked. The Opposit
[00:-1.00]WARMING UP [00:-2.00]Discussing the four questions on page 71, [00:-3.00]something about some musical instruments in cluding the wind instrument, [00:-4.00]First,look up at the following pictures [00:-5.00]about musical instrument and name
The fridge is one of your homes biggest energy hogs. Better insulation can make refrigerators much more efficient. And a panel encasing a vacuum is one of the best insulators known. But vacuum-insulated panels are too pricy for widespread use. Enter
If you visit upland areas of Britain places like the mountains of Scotland, or Wales, or the Pennine Hills in northern England you will see a lot of sheep. Many of the sheep are in places where there are no walls or hedges to keep them in their field