[化] 高钙石灰

[00:00.00]Unit 14 Money matters [00:04.78]1.Listen,read and practice in pairs. [00:10.95]LiMeng and Xiaohong need to open a bank account. [00:15.70]They are now in a bank with Mrs.Davis. [00:20.38]Clerk:Good morning!Can I help you? [00:24.03]Mrs.Dav

发表于:2018-12-04 / 阅读(63) / 评论(0) 分类 澳大利亚中学英语

Well, that's limelight. What exactly was it? Well it was the burning of calcium oxide in a very intense flame. And when did the job of a limelighter begin? Oh, famously, the first recorded instance in

发表于:2018-12-07 / 阅读(30) / 评论(0) 分类 圣诞特辑

AGRICULTURE REPORT - Growing 'Love Apples,' Better Known These Days as Tomatoes By Mario Ritter Broadcast: Tuesday, October 18, 2005 I'm Shep O'Neal with the VOA Special English Agriculture Report. Pl

发表于:2018-12-07 / 阅读(25) / 评论(0) 分类 农业与发展

Mmm, sticky rice. Its a glutinous side dish thats perfect for practicing your chopstick skills, for sopping up curry sauce and, amazingly, for building really strong pagodas. The Chinese have been building with mortar made from sticky rice and limest

发表于:2019-01-02 / 阅读(30) / 评论(0) 分类 60秒科学

By Mario Ritter Broadcast: August 25, 2003 This is Bill White with the VOA Special English Agriculture Report. Plant scientists consider them fruit. Most other people think of them as vegetables. What

发表于:2019-01-02 / 阅读(68) / 评论(0) 分类 VOA2003(下)-农业与经济

This is Scientific America's 60-Second Science. I am Karen Hopkin. Thisll just take a minute. Mmm, sticky rice. Its a glutinous side dish thats perfect for practicing your chopstick skills, for sopping up curry sauce and, amazingly, for building real

发表于:2019-01-08 / 阅读(46) / 评论(0) 分类 Scientific American(六)月
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