单词：residual depth
单词：residual depth 相关文章
Dialogue 17 laurance--They'll never help us.You know that old saying,
英语经典听力对话
How often do you donate blood? Once a year? Once every few years? Never? Would you be willing to do it every few weeks? That is what James Harrison of Australia has been doing for almost 60 years. In that time he has donated blood over 1,000 times. J
轻松英文阅读
Seamus Heaney Between my finger and my thumb The squat pen rests; as snug as a gun. Under my window a clean rasping sound When the spade sinks into gravelly ground: My father, digging. I look down Till his straining rump among the flowerbeds Bends l
英语诗歌
Antibody Could Reverse Diabetes Scientists in California have developed a new approach to treating diabetes which might be able to reverse the disease and not just treat the symptoms. The World Health Organization estimates that more than one-third o
VOA标准英语2011年(十二月)
Update: Breakthrough in Fighting Zika From VOA Learning English, this is the Health Lifestyle report. Researches have reported a breakthrough in the search for a treatment for Zika virus. To better understand this report, you will need to know the fo
2016年VOA慢速英语(十一)月