膜性痛经

国家地理-2008-03-20 Rho Ophiuchi Cloud 璀璨的星云

Rho Ophiuchi dark cloud is one of the closest star-forming regions to our own solar system. Located near the constellations Scorpius and Ophiuchus, the nebula is about 407 light years away from Earth. The infrared astronomical satellite, now celebra

发表于:2018-12-05 / 阅读(62) / 评论(0)

国家地理2008年

The Human Body: Life Story 生命物语-4

Everything that's alive and quite a few things that aren't, gives off heat. That's what you are looking at now. Every part of your body is burning up energy and creating heat as it goes about the busi

发表于:2018-12-07 / 阅读(46) / 评论(0)

生命物语

妇产科常见临床表现-医学英语

全身症状发热 fever 潮热 hot flushes 乏力 easy fatigability 怕冷 sensation of chill 神经质 hervousness 头晕 vertigo 头痛 headache 心慌 palpitation 恶心 nausea 呕吐 emesis；vomiting 腹泻 diarrhea 腰痛 lumbago 麦氏点 Mc

发表于:2019-01-08 / 阅读(71) / 评论(0)

医学英语

EDUCATION REPORT - Learning Disabilities, Part 5: Dyscalculi

EDUCATION REPORT - Learning Disabilities, Part 5: Dyscalculia By Nancy Steinbach Broadcast: Thursday, March 04, 2004 This is Steve Ember with the VOA Special English Education Report. We continue our

发表于:2019-01-30 / 阅读(75) / 评论(0)

教育与新闻

EDUCATION REPORT - Learning Disabilities, Part 4: Dyspraxia

EDUCATION REPORT - Learning Disabilities, Part 4: Dyspraxia By Nancy Steinbach Broadcast: Thursday, February 26, 2004 This is Steve Ember with the VOA Special English Education Report. People who have

发表于:2019-01-30 / 阅读(90) / 评论(0)

教育与新闻

粉红猪小妹第二季MP3 02 Teddys day out

图片1 图片2 图片3 图片4 图片5 图片6 图片7 图片8 图片9

发表于:2019-02-27 / 阅读(126) / 评论(0)

粉红猪小妹第二季

最新学习文章

热门学习文章

热门标签

英语听力 VOA标准英语 VOA 英语歌曲口语听力提高听力材料听力教程英语学习 NPR 英语口语 VOA慢速英语美国国家电台儿童英语 VOA英语小学英语 cnn VOA常速英语标准英语英文歌曲听电影学英语英语单词英文电影慢速英语 CRI 美联社新闻美国有线新闻加州分级澳洲新闻流行歌曲常速英语 ABC新闻快递疯狂英语英语读物听力棚车少年经济学人英语词汇商务英语 VOA双语新闻 BBC 中国电台大学英语 Treasures 加州语文 BBC英语英语听力网站 VOA英语教学词汇万花筒 SSS VOA英语听力 AP 新概念分级英语英语广播听力精选英语播客英文绘本 TED演讲赖世雄英语MP3 CCTV9英语新闻 lesson 英语新闻初中英语学英语英语语法历史上的今天英文广播剧英语游戏原版英语小说英语有声读物书虫英语牛津英语读物访谈录新闻一分钟考研英语英语每日在线听新闻 Us 新概念英语地道英语单词第二册自然百科高中英语 sports 实用英语 MP3听力辛沛沛 ESL英语第一册英语每日一句 unit 新东方 GRE 每日一词 BBC听力

学英语单词

6-amino-2-naphthalene-sulfonic acid

adding-up

all transistor camera

alternans

aluminium profile polishing machine