[化] 羧甲半胱氨酸

一个英语单词可分为三部分:前缀(prefix)词根(root)后缀(suffix)。位于词根前面的部分就是前缀。前缀,可以改变单词的意思。 carb-, carbo- 表示碳 carbon = carb + on n. 碳 carbohydrate = carbo + h

发表于:2018-12-19 / 阅读(57) / 评论(0) 分类 英语PK台

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(105) / 评论(0) 分类 科技之光

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(57) / 评论(0) 分类 医务英语

Australia's bold plans for a carbon emissions trading scheme are under threat after the conservative opposition in Canberra hardened its stance against it. Critics of Prime Minister Kevin Rudd's proposal say it would cost jobs and provoke economic u

发表于:2019-01-11 / 阅读(59) / 评论(0) 分类 VOA标准英语2009年(五月)

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(87) / 评论(0) 分类 英文语法词汇

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(194) / 评论(0) 分类 英语新闻