WalletPop说：马里兰大学医护系统的网站写道，”吸烟是当今社会最可预防的死因。
WalletPop says: As the University of Maryland Medical System website states, "Smoking is the most preventable cause of death in our society.
马里兰大学巴尔的摩分校的生态学家艾勒·艾丽斯(ErleEllis)研究表明，现在地球上的大部分生态系统都反应了人类的活动。
According to studies by Erle Ellis, an ecologist at the University of Maryland, Baltimore County, the vast majority of ecosystems on the planet now reflect the presence of people.
马里兰大学正花费6万多美金设立新的手机简讯预警系统。
The University of Maryland is spending more than 60,000 dollars to install a new text message alert system.
马里兰大学正花费6万多美金设立新的手机简讯预警系统。
The University of Maryland is spending more than 60,000 dollars to install a new text message alert system.
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