单词:block elimination
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This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Those of you following the World Cup know that at this stage there can be no more draws. Ties are broken during overtime play, or in a penalty kick shootou
今天学的词组是block。Block有障碍物的意思。比如road block -- 路障,Police put up a road block to stop the demonstrators, 警察为阻止抗议者设置了路障。作为动词,block也有阻塞,拦阻的意思。比如施工造成
World Bank President: Elimination of Poverty Possible World Bank President Jim Yong Kim says the problems of poverty, hunger and inequality are massive, urgent and a matter of survival for millions. We know that despite the dramatic successes of the
Green Card Lottery Faces Elimination Under US Immigration Reform Two years ago Rafiq-ul-Islam won a U.S. permanent resident visa through the Green Card Lottery and came to the United States from Bangladesh -- with little more than the clothing he own
By Lisa Schlein Geneva 02 May 2006 Environmentalists are calling for the elimination of the toxic chemical, DDT, which is still used in large parts of Africa to combat malaria. The continued use of DD