Gates, Buffett and Turner have been quietly worrying about Malthusian population problems for years.盖茨 、 巴菲特和特纳多年来一直都在暗自担忧马尔萨斯(Malthus)所提出的人口问题.This passage introduces of population pressure - the greatest feature of mod...
The Inspector took out a handker-chief and mopped his brow.检察员掏出手帕，擦了擦眉头。Michael mopped up quickly with his napkin.迈克尔迅速用餐巾将其揩干。These reactive molecules are mopped up and made harmless by Vitamin E.这些活性分子已被维生素E灭活，没有害处了。A...