Saturation of a biotope is of special interest to the ecologist.生境小区的饱和对生态学家是特别有意义的.Ecologist who looked for patterns in nature regarded food as an organizing influence in communities.观察自然界的格局的生态学家认为食物对群落具有组织结构的影响....
Several suggestions for possible examination questions were thrown out by the teacher.老师就哪些问题可能作为试题作了几点提示。The reactionary regime was thrown down by an armed uprising.那个反动政权被一次武装起义推翻了。The veneer of artificiality which she...
农场雇用了一名拖拉机手和两名杂工。The farm employed a tractor driver and two general labourers.这些官僚拖拉了太久。The bureaucrats dallied too long.他工作从不拖拉.He never puts off his work....