水泥石灰砂浆

英语语法：168 Concrete Versus Cement

Grammar Girl here. Todays topic is cement versus concrete. Guest writer Sal Glynn writes: Accuracy is important. You might think concrete and cement are interchangeable, but you'll quickly find that you're mistaken when some guy at Home Depot rolls h

发表于:2019-01-02 / 阅读(82) / 评论(0)

英语语法 Grammar Girl

建筑物也爱粘糯米(有声)

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)

60秒科学

SSS 2010-06-01

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(47) / 评论(0)

Scientific American(六)月

原版英语对话1000个:446 Key Lime Pie

Senem: Hey, Shawn, I heard that you are really good at making key lime pie. Shawn: Key lime pie, that's my special recipe. I just can't give that out to anybody. Senem: Yes, you can. Please. I really want to make it tonight. Please tell me. Shawn: Wh

发表于:2019-01-20 / 阅读(53) / 评论(0)

原版英语对话1000个

VOA标准英语2010年-California Company's 'Green' Cement Ca

Cement is a major component of concrete, the world's most widely used man-made material, an integral part of roads, bridges and buildings. But making cement requires heating limestone and other materials to very high temperatures, a process that rele

发表于:2019-02-08 / 阅读(89) / 评论(0)

VOA标准英语2010年(一月)

英语访谈对话 445 Key Lime Pie

发表于:2019-02-17 / 阅读(66) / 评论(0)

英语访谈对话

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学英语单词

bellows type flowmeter

belmullet

bismuthous oxide