单词：duration of effectiveness
单词：duration of effectiveness 相关文章
Topic1-Nine years after the plastic-bag ban In 2008, China initiated a national ban on the use of free plastic bags in supermarkets. 9 years later, the effectiveness of the ban is under fire. Environmentalists, congressional delegates, and even state
英语角-圆桌会议
Your mood of the day depends on your choice You can choose to be happy And be lively throughout the day. You can share positive vibes all day. On the other hand, you can choose to be sad, Be sorrowful all day And it will affect your effectiveness in
瞬间秒杀听力
optimal effectiveness 最大成效 英文释义 An expression describing a condition in whichoperations are at their most efficient 例句 Some managers believe that six is the right number of members on a work team for optimaleffectiveness.有些经理
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One of the biggest challenges in fighting tuberculosis comes from new drug-resistant(抗药性的) strains of the disease. And one of the main reason those strains have developed is that TB patients often don't take their standard, 14-pill, course of
英语新闻
今天我们要学的词是untested。 Untested, 没有经过测试的，没有经过考验的。最近，香港和印度等亚洲地区陆续发现禽流感。为了预防禽流感对人类的威胁， Several human vaccines for bird flu have been d
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