单词:dry vacuum pump
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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
我们再来给大家介绍两个以dry这个字为主的习惯用语。第一个是:High and dry. High就是高,dry 就是干。要是一个人处于high and dry的局面,那他就是面临难以
Dry your eyes BABY别哭~ 演唱者:3rd Storee 英文歌词 Girl there's something that's telling me That you're in need of company And you need it now So I'm willing to comfort you For all, all the pain that you're going through So baby don't... 3
在这次节目里,我们要给大家讲两个以dry这个字为主的习惯用语。Dry就是:干,也就是干和湿的干。我们首先要讲的一个习惯用语是:Dry run. Dry是干,ru
今天要学的一个词是:pump。pump,Pump一般是指泵,或抽水机。可是今天讲的pump是指汽车加油站的泵。英国石油公司宣布停止在阿拉斯加的石油开采,《洛杉矶时报》的标题说:Oilfield Closure t
CAPE CANAVERAL Two American astronauts will venture outside the International Space Station Monday to stow a failed coolant pump and extend the outpost's Canadian railway. Wearing protective spacesuits in a deadly vacuum(真空) environment, Stephen