单词：hycal
单词：hycal 相关文章
Education Report - What Online Teens Consider 'Research' 教育报道 - 数字时代对青少年的影响 From VOA Learning English, this is the Education Report in Special English. 这里是美国之音慢速英语教育报道。 Teachers say the di
2013年VOA慢速英语(一)月
Intelligent Crows Use Tools What do otters, chimpanzees, and one species of crow have in common? All three are animals. They also use tools. Scientists have long known that a crow native to New Caledonia is able to use tools. The birds use them to re
2016年VOA慢速英语(九)月
To do a job right, you need the right tools. Even a chimp knows that. According to a study in the American Journal of Primatology, chimps in the Congo use multiple tools to capture army ants. Youve probably seen footage of chimps using sticks to har
60秒科学
What Online Teens Consider 'Research' From VOA Learning English, this is the Education Report in Special English. Teachers say the digital age has had a good influence -- and a not-so-good influence -- on this generation of American teenagers. More t
2013年VOA慢速英语(五)月
From VOA Learning English, this is the Education Report in Special English. Teachers say the digital age has had a good influence -- and a not-so-good influence -- on this generation of American teenagers. More than 2,000 middle and high school teach
英语语言学习
DEVELOPMENT REPORT – July 29, 2002: Tools for Development By Jill Moss (Photo -CARE) This is the VOA Special English Development Report. Building things or making clothes can be difficult in develop
农业与发展