单词:natural control method
单词:natural control method 相关文章
The first of these to be built was the muskrat group, which still stands as good as new. 第一个威斯康星皮毛动物标本是麝鼠,如今还依旧如新。 From Milwaukee, Akeley went to the Field Museum of Natural History in Chicago. 从密尔
A: 欢迎大家来到这期的美语训练班! 我是杨琳! B: 我是Mike! 杨琳,来告诉大家今天都要学什么! A: 好! 今天,我们要一起来聊聊慈善捐款,看看如何表达货真价实,还要告诉你如何自控! B: Yeah,
[00:09.87]44) Edward Knipling [00:15.52]A leading American research scientist died last month at his home in Virginia. [00:22.88]Edward Knipling was ninety-one years old. [00:26.75]Mister Knipling was a world famous expert in the study of insects. [0
Health Report - Does a Birth Control Method Raise HIV Risk? 健康报道 - 避孕药物是否真会增加艾滋病毒感染风险? This is the VOA Special English Health Report. 这里是美国之音慢速英语健康报道。 The World Health Orga
加速钙和矿物质吸收的蛀牙新疗法 For over a hundred years, dentists have been repairing cavities by removing the decayed tooth tissue with a drill and filling the hole with metal or plastic material. Depending on the cavitys depth, this