workmen with picks and shovels手拿镐铲的工人In the spring, we plunge shovels into the garden plot , turn under the dark compost.春天, 我们用铁锨翻开园子里黑油油的沃土.Go and see how many shovels we have, but don't count in these broken ones...
It involves pertrolian ( petroleum ) pollution in the Ecuadorian Amazon between 1964 and 1990.它涉及了1964年到1990年的石油污染在亚马孙河.In 1999, the relevant observation was carried on in the demand of Ecuadorian Medical Pain Associatio...
非 表面活性剂 的添加剂称作助洗剂,长期以来用以改进表面活性剂的去污作用.Nonsurfactant additives known as " builders " have long been used to improve detergent action of surfactants.如同所有化学和物理的过程一样, 温度对去污作用有重要影响.As in all chemical and physical processes, te...
a politician who relishes a joust with reporters喜欢和记者过不去的政治家He answered the reporters’ questions flippantly; this cannot be airily explained to your children.他轻率地回答了记者的问题；这个不能随便说给孩子听。The prime minister told reporters thi...
为饥饿所迫, 他为极少的工资而工作.Forced by hunger, he worked for the most niggardly pay.这种依靠以在裁定的方法花费极少的司法经费.A one - time decision of this kind consumes few judicial resources.他的委员会不得不以极少的预算去创造奇迹。His council had had to perform miracles...
异步起动永磁同步电动机具有较高的功率因数和效率,同时具有异步起动能力.Line - start permanent magnet synchronous machine has high efficiency and power factor.林莘. 永磁机构与真空断路器. 北京: 机械工业出版社2002.LIN Xin . Permanentmagnet and vacuum breaker. Beijing: China Machi...