单词：
单词： 相关文章
This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a
Scientific American(六)月
UNIT 12 EATING AT THE RESTAURANT Lesson 23 Part Ⅰ Warming-up Exercises Lesson 23 Part Ⅰ Warming-up Exercises A ． Phonetics: Rhyming 1 ． a ． will b ． meal c. well 2 ． a ． cake b ． che
英语听力入门 (全四册)
In the South of France, her restaurant had no equal. Last night we served this. In this restaurant, the cuisine is not an old, tired marriage; _______1________. Until one family. Papa, slow down stop! stirred things up. I want to buy this restauran
英文电影预告片填空
AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals
农业与发展
Science and Technology Epigenetics and stress Baby blues 科技 外因遗传与压力 新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长
经济学人科技系列
Even when he has lunch by himself, he never dines alone. 即使他是一个人在吃午餐，但他也并不孤独。 A loving husband headed to a California In-N-Out Burger last week for a date with his wife, who died five years ago. He propped up a
英语新闻