裂殖子胚

2007年VOA标准英语-Four Rare Gorillas Killed in Congo, Another Fea

By Nick Wadhams Nairobi 26 July 2007 Four rare mountain gorillas have been killed after gunmen crept up on them and opened fire in the Democratic Republic of Congo's Virunga National Park. Nick Wadhams has more on the story from Nairobi. The gorillas

发表于:2018-12-08 / 阅读(79) / 评论(0)

2007年VOA标准英语（七月）

SCIENCE REPORT - Alzheimer's Disease

SCIENCE REPORT — March 7, 2002: Alzheimer’s Disease By Nancy Steinbach This is the VOA Special English Science Report. Medical researchers say a new study shows a link between the mental condition

发表于:2019-01-02 / 阅读(103) / 评论(0)

科技之光

专业术语—皮肤科词汇中英对照(19)

皮肤肿瘤色素痣 pigmented nevus;PN 表皮痣 epidermal nevus 脂溢性角化病 seborrheic keratosis 先天性血管瘤 hemangioma congenitale 表皮囊肿 epidermoid cyst 粟丘疹 milia;miliu

发表于:2019-01-03 / 阅读(55) / 评论(0)

医务英语

分类词汇：医学英语 5

5.常见手术名称 General Surgery 普外 appendectomy （appendicectomy）阑尾切除术 cholecystectmy 胆囊切除术 cholecystostomy 胆囊造口术 drainage of the abscess 脓肿引流 enterostomy 肠造口术 exploratory laparotomy 开腹探查

发表于:2019-01-17 / 阅读(86) / 评论(0)

英文语法词汇

英语听力：自然百科冰冻星球前往地球尽头—18

The relative of the woodlouse is the size of dinner plate. And this so- called sea spider has legs that expand half a meter. Now it's explorer's own revealing other worlds that lie hidden beneath the ice on land. These smoking tars are the gateway to

发表于:2019-01-22 / 阅读(63) / 评论(0)

自然百科2012年

Beach volleyball Olympic champion Reckermann to retire

BERLIN, Jan. 10 (Xinhua) -- German Olympic champion Jonas Reckermann said Thursday that he will retire from beach volleyball due to back problems. Reckermann announced his retirement on the website of the German Volleyball Federation decision is very

发表于:2019-02-07 / 阅读(191) / 评论(0)

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ample invertible sheaf