单词：oral control
单词：oral control 相关文章
More oral practice [00:21.33]更多的口头练习 [00:23.07]In the supermarket [00:25.04]在超级市场 [00:27.01]You are in a supermarket with your parents. [00:29.05]你与你的父母在一家超级市场。 [00:31.09]What are you going to buy?
沪教版牛津小学英语六年级
More oral practice [00:23.14]Listen and read [00:26.70][ei] a baby favourite [00:33.85]a-e grade space [00:38.43]ai sail paint [00:43.47]ay lay stay [00:48.43]eigh eight weight [00:53.11][ai] i pilot tiger [01:00.68]i-e line white [01:06.25]y fly sky
沪教版牛津小学英语五年级
Lesson 9 Is It a Good Idea to Control Population Growth in the World? Text What Overpopulation Feels Like We moved slowly through the city in a taxi and entered a crowded slum district. The temperature was well over 100and the air was thick with dust
日常英语口语
This is Scientific Americans 60-Second Science, I'm Cynthia Graber. This will just take a minute. In vitro fertilization(试管受精) efforts can be helped by oddly enough oral contraceptives .That's the finding from Tel Aviv University, site of the
Scientific American(四)月
Lesson 29 Text A Some Sausage Sandwiches One morning last summer Mrs Andrews made some sausage sandwiches for her husband's lunch. There was one sausage left over. Mrs Andrews didn't care for sausages herself and so she gave the last one to Henry, th
英语口语教程（Oral Workshop）--初级
By Jessica Berman Washington 27 November 2007 Endemic cholera, a potentially fatal diarrheal disease found in the world's poorest countries, could be effectively controlled by orally vaccinating half of the affected populations once every two years f
VOA常速英语2007年（十一月）