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Earth and Sky:Electric Fish 发电鱼

Electric Fish 发电鱼 One way that Harold Zakon and his team find fish to study is to put electrical detectors into the bottom of murky streams in Venezuela. This works because certain fish emit pulses of electricity. Discover electric fish -- on tod

发表于:2018-12-07 / 阅读(47) / 评论(0)

(科普英语)Earth and Sky

日常用品英语单词

日常用品英语单词 to do some shopping; to go shopping 买东西 shopping centre 商业中心区 department store 百货商店 children's goods store 儿童用品商店 antique shop 古玩店 second-hand store 旧货店 counter 柜台 stall, stand 售货摊 show window 橱窗 show

发表于:2018-12-08 / 阅读(27) / 评论(0)

英文语法词汇

托福听力单句训练附答案:第8期

听力题目： 15. (A). The train fare is higher before 5 oclock. (B). The train is usually on Track #5. (C). The train fare is five dollars . (D). Train #5 stops at the fair. 16. (A). Amy was taken over to the controllers office. (B). The controlle

发表于:2018-12-19 / 阅读(79) / 评论(0)

新托福写作真题解析

VOA标准英语2015--Mind-Controlled Prosthetics Are Getting Closer

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(53) / 评论(0)

VOA标准英语2015年(五月)

英语词汇分类：购物

to do some shopping; to go shopping 买东西 shopping centre 商业中心区 department store 百货商店 children's goods store 儿童用品商店 antique shop 古玩店 second-hand store 旧货店

发表于:2019-01-06 / 阅读(44) / 评论(0)

英文语法词汇

SCIENCE IN THE NEWS - First electronically controlled animal

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)

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7-Hydroxyflavone

after treatment bath

All-America team

analog-to-pulse converter

anous stolidus pileatus