单词：pneumatic sprayhead
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英文名句短语
New Vaccine Shrinks Head and Neck Cancers From VOA Learning English, this is SCIENCE IN THE NEWS, in Special English. Im Bob Doughty. And Im June Simms. Today, we tell about a new vaccine for fighting cancers in the head and neck. We tell about progr
2013年VOA慢速英语(五)月
SCIENCE IN THE NEWS - New Vaccine Shrinks Head and Neck Cancers From VOA Learning English, this is SCIENCE IN THE NEWS, in Special English. Im Bob Doughty. And Im June Simms. Today, we tell about a new vaccine for fighting cancers in the head and nec
2013年VOA慢速英语(三)月
Spray Detects Hard-to-Find Tumors Surgeons may soon have a new tool to help locate early-stage cancerous growths; a spray that turns fluorescent green when it comes into contact with tumors. The spray is clear, but contains a non-toxic dye that almos
VOA标准英语2011年(十一月)
托福阅读:托福阅读中需要理解的重要句子 1.Wearing masks and costumes， they often impersonated other people， animals， or supernatural beings， and mined the desired effect success in hunt or battle， the coming rain， the revi
托福英语
Try an mnemonic device such as an acronym sentence like Raging Martians Invaded Venus Using X-ray Guns. 尝试用可以帮助记忆的口诀，像是首字母缩略字组成的句子，例如：愤怒的火星人用X光枪入侵金星。 学习重点：
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