单词：mellitic acid
[医] 苯六羧酸
单词：mellitic acid 相关文章
The itsy bitsy spider climed up the water spout. Down came the rain, and washed the spider out. Up came the sun, and dried up all the rain, And the itsy bitsy spider went up the spout again.
鹅妈妈童谣
Sen. Tom Harkin, D-Iowa, right, and House Majority Leader Steny Hoyer of Md., attend an event on Capitol Hill in Washington 26 Jul 2010 to celebrate the Americans with Disabilities Act The Americans with Disabilities Act, also called ADA, is a civil
VOA标准英语2010年(七)月
Oum Sok began working as a cyclo driver when he was 18. He says the city has become very expensive over the years, making it much harder to earn a living. New York has its yellow cab. London has its red bus. But Phnom Penh has its cyclo - a three-whe
VOA标准英语2010年(六)月
Emergency Birth Training Curbs Infant Mortality Responding immediately when newborns fail to breathe in the critical moments after birth could dramatically cut the number of infant deaths worldwide. That's the focus of a new training program for mate
VOA标准英语2011年(五月)
音乐咖啡厅:Seal - Les Mots 相关介绍：Seal 全名Seal Henry Samuel，于1963年2月19日出生在英国伦敦，他是一名混血儿，父母分别是自尼日利亚人和巴西人。自上世纪90年代以来，Seal一直都是英国最受欢
音乐咖啡厅
By Mike O'Sullivan American Samoa 06 October 2009 Recovery efforts are underway in American Samoa, which was struck last week by a major earthquake and tsunami, along with the nearby nations of Samoa and Tonga. One-hundred-77 are confirmed dead in t
VOA标准英语2009年(十月)