[化] 靠曼酸; 5-羟基-4-吡喃酮-α-羧酸
[医] 哌┎甲酸

Earth and Sky:Acid Rain 酸雨

Acid Rain 酸雨 Damage from acid rain is widespread - not just in eastern North America, but throughout Europe, Japan, China, and Southeast Asia. Is the rain that's falling on your umbrella acidic? A listener's question -- on today's Earth and Sky. J

发表于:2018-12-07 / 阅读(146) / 评论(0)

(科普英语)Earth and Sky

知性英语－Acid rain 酸雨

How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t

发表于:2019-01-02 / 阅读(180) / 评论(0)

知性英语

VOA标准英语2011--Senegal Quranic School Puts Children Fir

Senegal Quranic School Puts Children First Quranic schools in Senegal gained much unwanted attention last year with a damning report by Human Rights Watch that said many schools were enslaving their students to beg for money. One Quranic school that

发表于:2019-01-14 / 阅读(47) / 评论(0)

VOA标准英语2011年(五月)

Titanic returns to China in 3D

BEIJING, April 8 (Xinhua) -- James Cameron's blockbuster Titanic will return to Chinese screens with a new 3D version on Tuesday, said its distributor in China on Sunday. The film, first released in 1997 casting Leonardo DiCaprio and Kate Winslet, wa

发表于:2019-02-02 / 阅读(55) / 评论(0)

英语新闻

Titanic 3D biggest foreign movie tax contributor

BEIJING, Jan. 11 (Xinhua) -- Jame Cameron's Titanic 3D was the biggest tax contributor among foreign movies China imported in 2012, according to Beijing Customs Friday. The movie took 144 million U.S. dollars at the country's box office. Figures rele

发表于:2019-02-02 / 阅读(41) / 评论(0)

英语新闻

Belarus Shoppers Panic as Ruble Collapses

Panicky shoppers in Belarus are buying up consumer goods and scarce food supplies as fast as they can, after a sharp devaluation of the ruble failed to halt a slide in the national currency's value. Weeks of economic crisis have prompted many Belarus

发表于:2019-02-07 / 阅读(28) / 评论(0)

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学英语单词

apparent diurnal motion of heavenly body

apportionment of cost variance

apportionment of profit