单词：apyretic typhoid fever
单词：apyretic typhoid fever 相关文章
图片1 metal n. 金属 例句：This metal is harder than that one. 这种金属比那种硬。 metallic adj. 金属(性)的 例句：Fannie' s shovel struck against something metallic when she wasplanting flowers in the garden. 当芬妮在花园里种
漫画搞定六级词汇（文本+音频）
图片1 enemy n. 敌人，敌军 adj. 敌人的，敌方的 例句：After several fails the enemy was forced to retreat. 几经失败之后，敌军被迫后撤。 rival n. 竞争者 对手 v. 竞争，对抗 ，相匹敌 例句：After the national
漫画搞定六级词汇（文本+音频）
Dallas Continues Spraying in Fight Against West Nile Fever Many people in Dallas continue to work and play outdoors, but they are heeding warnings from health officials to protect themselves. Fifteen-year-old Macias says he has followed the news repo
VOA标准英语2012年(八月)
Lesson 37 All About A Penny 第37课 关于便士 When I was a little boy, pennies, and halfpennies, and farthings were made of pure copper. But copper is too soft a metal to stand the rubbing which coins get. So these old pennies soon became so smoo
英国学生科学读本
Spraying Insecticide Indoors Reduces Spread of Malaria Researchers in West Africa have shown that spraying insecticide indoors can dramatically reduce malaria transmission. Efforts to develop a malaria vaccine have so far been disappointing, so progr
VOA标准英语2011年(十月)
DALLAS Officials in Dallas, Texas and the surrounding county of the same name are continuing to spray by land and air in an effort to suppress mosquitoes that spread the West Nile virus. Health officials have reported more than 200 cases of fever cau
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