The DNA of chromatin must replicate before cell division.染色质DNA在细胞分裂之前必须复制.Computer viruses are small programs, they replicate by attaching a copy of themselves to another program.计算机病毒是一些小程序，它们把自己的一个副本附加到另一个程序上面进行复制。The...
Cells can reproduce but only molecules can replicate.细胞可以再生，但是只有分子可以复制。If the virus cannot replicate itself, it cannot cause illness.如果病毒不能变异, 也就不能够诱发疾病了.The team decided to try and replicate the missing curtains as auth...
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...