I rejoice to see you here.我很高兴能在这儿见到你。Let us rejoice together on this great occasion!在这样一个盛大的节日里, 让我们共同欢庆吧！I rejoice that you have recovered so quickly.听到你已很快痊愈了,我很高兴.When the war ended, people finally had cause to rejoi...
He has been brought up not to swear in front of women.他从小就被教育不要在女性面前说脏话。Many people swear by vitamin C's ability to ward off colds.许多人深信维生素C能预防感冒。I swear I've told you all I know.我发誓我已经把我所知道的全都告诉你了。...
本文介绍了双螺杆挤压机的模拟分析的方法.This article introduces simulation analysis methods of twin - screw extruder.应用结果表明,该系统满足设备要求,为单螺杆挤压机的研制提供了参考依据.This paper introduced application of intelligent computer control system in single - scr...
The technique has been to mutate the genes by irradiation or chemicals.该技术是通过放射线照射或者使用化学方法使基因变异。The after effect occurs only if the additive is present during irradiation.在辐照过程中只有当添加剂存在时才出现后效应.Early lesions can be succes...
再将硝酸纤维素滤膜置于含碱的湿滤纸上, 碱的作用是使DNA变性.The nitrocellulose filters are then placed on wet filter paper containing alkali, which denatures the DNA.使用不同的碱性调节剂,制备不含碱的新型氨基磺酸系高效减水剂.A new alkali - free amino sulfonic acid - based supe...