单词：cyclooctadiene
单词：cyclooctadiene 相关文章
MAXIMUS: 1)Archers, three weeks from now I will be harvesting my crops. Imagine where you will be, and it will be so. Hold the line, stay with me, if you find yourself alone riding in green fields wit
疯狂英语2001年
A: Hello, I need a doctors appointment right away! B: Is this an emergency? A: I am having trouble breathing. B: Have you had a cold lately? A: It has been going on for a few days now. B: You should hang up and dial 911. A: I dont think that this is
英语情景对话-健康
A: Hi, I need to see a doctor soon! B: Do you feel this is an emergency? A: My chest feels tight, and I cant catch my breath. B: Did this come on suddenly? A: It started yesterday. B: If you feel this is a real emergency, you should dial 911 for the
英语情景对话-健康
By Jordan Davis Dakar 29 January 2007 With its reputation for fair elections and peaceful transitions of power, Senegal is often hailed as model democracy in West Africa. Senegalese are scheduled to vote in less than a month to elect a new president
2007年VOA标准英语（一月）
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
A: Hello, I have to see the doctor right now! B: What makes you feel this is an emergency? A: I feel like I cant breathe well. B: How long has this been going on? A: It started last night. B: In the event of a real emergency, please dial 911. A: I kn
英语情景对话-健康