单词：partial pressure vacuum gauge
单词：partial pressure vacuum gauge 相关文章
She inspected the carpet for small items. She saw a paper clip and a rubber band. She picked them up. She put them into a little box on the kitchen counter. She plugged in the vacuum cleaner. She turned on the switch. The cat ran out of the room. She
原版英语小短文
This is Scientific American 60-Second Science. I'm Cynthia Graber. This will just take a minute. The fridge is one of your home's biggest energy hogs. Better insulation can make refrigerators much more efficient. And a panel encasing a vacuum is one
Scientific American(五)月
Captain Nemo had picked an odd time to philosophize. 尼摩船长选择这时候来作这种哲学思考，真是太离奇了。 All in all, this reply told me nothing. 总之，他的答复对我没有什么帮助。 May I learn, sir, I asked him, w
《海底两万里》中英双语有声读物
This is the VOA Special English Agriculture Report. Mike Henry has a two-hectare farm in Palmer, Alaska. About a year and a half ago, his goat Millie was giving him a hard time. She did not want to be milked. She kicked her back legs and stepped into
2010年VOA慢速英语(七)月
Li Hua 正在往图书馆走，突然，Larry 把她叫住了。Li Hua 在今天的谈话中会学到 两个常用语：what's her face 和thingamajig。 LL: Hey, Li Hua. One of your classmates asked
美国之音《流行美语》
These are the normal navigational instruments, I replied, and I'm familiar with their uses. 这些是航海家常用的仪器，我答，我知道它们的用法。我现在看见的这个表盘，上面有能转动的针，那不是流体压力计吗？
《海底两万里》中英双语有声读物