这儿是 二十一 世纪人们对生活的一些想法.Here are ideas people have about life in the twenty - first century.在二十一世纪,害虫综合治理的应用将扩大.The use of integrated pest management will expand in the twenty - first century.灭绝物种的数量在 二十一 世纪仍在以很高的速率上涨.And t...
马钱子碱 、 砷和鸦片都是毒药.Strychnine, arsenic, and opium are poison.分析显示溶液中有几格令的砷.The analysis showed a few grains of arsenic in the solution.砷广泛地应用于除草剂和杀虫剂的制造中.Arsenic is widely associated with the manufature of herbicides and pe...
The tea is prepared on a rota basis by the lady members.女性成员轮流准备茶水。Dave organized a cleaning rota.戴夫安排了打扫卫生轮值表。Be aware of the departmental rota and to always be on time for duty.了解部门的值班情况,始终准时值班....