单词：vacuum-pumping system
单词：vacuum-pumping system 相关文章
M: 236, 237, 238 Oh hi Yang Chen, I didn't know you were coming to the gym today. Y: Hi, Mar. What are you doing? M: I'm doing push ups. P-U-S-H, U-P-S. Y: I know you are doing Pushups俯卧撑。 可是我听到你在数238 ，你真的做了238个俯
体育美语
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
Oliver went to Target to buy a new vacuum cleaner. The vacuum cleaners at Target cost $60 to $500. The expensive ones were too bulky and, of course, too expensive. He bought the cheapest one in the store: a Dirt Devil Vibe. Its label claimed that it
365个英语简短小故事
Said we are having a talk show about musictraveling...wait...what's this singing?! Well you hear this only in C Countdown (Guess it's that music soul of CCD pumping out) Music feast coming for yooooooou!
中国传媒大学英语电台
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
By Ernest Leong Washington 25 July 2007 She is a Persian-American athlete who was both a state and national Tae Kwon Do champion, and one of the top amateur boxers in the world. Now, barely two years after having her second child, Kina Elyassi has se
2007年VOA标准英语（七月）