un. 自由水面惯性矩

超越自我篇05:The Farmer's Donkey井中之驴

One day a farmers donkey fell down into a well. The animal cried piteously for hours as the farmer tried to figure out what to do. Finally he decided the animal was old, and the well needed to be covered up anyway and it just wasnt worth it to retrie

发表于:2018-12-18 / 阅读(88) / 评论(0)

英文励志文摘精选

走遍美国： Man's Best Friend ACT III

ACT III OK. 好。 If you want to adopt an animal, 如果你想收养动物, first we need to know some references. 首先我们得了解证明人。 References? 证明人? People we know? 我们认识的

发表于:2018-12-20 / 阅读(64) / 评论(0)

走遍美国 Family Album U.S.A

走遍美国： Man's Best Friend ACT II

ACT II Don't worry, Alexandra. 别担心,Alexandra。 We'll find the owner. 我们会找到狗的主人的。 How, Robbie? 怎么找,Robbie? Let me think. 让我想想。 Gemma, sit. Gemma,坐。 Good

发表于:2018-12-20 / 阅读(59) / 评论(0)

走遍美国 Family Album U.S.A

VOA慢速英语2014 This Story Is 'The Cat's Meow!'

This Story Is 'The Cat's Meow!' Now, the VOA Special English program Words and Their Stories. Cats are the most popular pets among Americans. So it is not surprising that there are many expressions about cats. Some cats like to catch small birds, lik

发表于:2019-01-12 / 阅读(38) / 评论(0)

2014年VOA慢速英语(八)月

60秒科学:Amygdala's Acidic Aspiration Answer

Amygdala's Acidic Aspiration Answer A study in the journal Cell shows that the buildup of carbon dioxide when we stop breathing causes a pH change that signals proteins in the brain to force us to inhale. Karen Hopkin reports. Maybe its happened to y

发表于:2019-01-30 / 阅读(143) / 评论(0)

60秒科学

CCTV9英语新闻：In Inner Mongolia wolves are this man's best friend

If you're considering getting a domestic pet, a wolf probably isn't at the top of your list. But to a man from inner Mongolia in north China, they are more like members of the family. The bond between Xu Yonggui and his wolves formed 8 years ago. Whe

发表于:2019-02-05 / 阅读(67) / 评论(0)

cctv9英语新闻2015年

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单词：moment of inertia of free water surface

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