[化] 一价碱; 一酸价碱

Mind-Controlled Prosthetics Are Getting Closer Scientists and engineers are making substantial advances towards the ultimate goal in prosthetics creation of limbs that can be controlled by the wearers mind. Thanks to sophisticated sensors capable of

发表于:2019-01-03 / 阅读(54) / 评论(0) 分类 VOA标准英语2015年(五月)

SCIENCE IN THE NEWS -May 21, 2002: First electronically controlled animals / Study of mothers and their sons / Effects of global warming Broadcast: VOICE ONE: This is Sarah Long. VOICE TWO: And this i

发表于:2019-01-07 / 阅读(64) / 评论(0) 分类 科技之光

AS IT IS 2016-03-11 Aung San Suu Kyi 'Apologizes' to Supporters昂山素季为未能成为下届总统而道歉 The longtime opposition leader of Myanmar, Aung San Suu Kyi, has apologized for not becoming the countrys next president. She posted a let

发表于:2019-01-12 / 阅读(74) / 评论(0) 分类 2016年VOA慢速英语(三)月

Farmers Urged to Throw Plow Away Since the dawn of agriculture, tilling the soil has been fundamental to farming. But today, experts say this age-old practice may do more harm than good, at least in some places. That's why they've been telling farmer

发表于:2019-01-13 / 阅读(64) / 评论(0) 分类 VOA标准英语2011年(十一月)

The 707 slammed into the estate owned by the father of the tennis champion John McEnroe, in the posh Long Island town of Oyster Bay. 707飞机俯冲向网球冠军约翰麦肯罗的私人属地, Seventythree of the 158 passengers aboard died. 飞机上

发表于:2019-01-29 / 阅读(36) / 评论(0) 分类 异类:不一样的成功启示录

今天我们要学的词组是plow into。Plow into,意思是大力撞击。 At least 13 people have died after a van plowed into pedestrians in the center of Barcelona on Aug 17th in what police said was a terrorist attack. 8月17日,一辆厢式货

发表于:2019-02-24 / 阅读(103) / 评论(0) 分类 英语单词荟萃