单词：aphthous stomatitis
单词：aphthous stomatitis 相关文章
This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. This will just take a minute. Youve probably chased a fly or two around the house this summer. And, chances are, it took a few swings before you brought down the buzzing nuisance.
Scientific American(八)月
[全屏观看] 点击右键- 另存为 可保存这个Flash影片
北美小学生英语一年级教材（牛津英语教材）
aspirin 阿斯匹林 dentist 牙医 earache 耳朵疼 flu 流行感冒 have a headache 头痛 have a stomachahe 胃痛 have a temperature 发烧 have a toothache 牙痛 have an earache 耳朵痛 have flu 得了流行性感冒 have measles 得了麻疹
新概念英语第一册单词MP3
By Nancy-Amelia Collins Jakakrta 01 May 2006 Police were out in full force as tens of thousands of workers took to the streets across Asia on Labor Day to call for better working conditions, improved
2006年VOA标准英语（五月）
Tit for Tat针锋相对An American lady traveling in England some years ago, got into an compartment of a smoking carriage where an Englishman was smoking a pipe. For a short time she sat quietly expecting that the Englishman would stop smoking. But
英语小达人
Offering Substitute 提供代用品 Specimen Letters1. Offering Rayon in Place of Watered Silk提供人造丝代替水洗丝Dear Sirs,Thank you for your fax of yesterday (April 3) with your order No.456 for 5,000 metres of 100cm wide watered silk. We
实用英语