This battery booster is a boon for photographers.这种电池充电器是摄影工作者的好帮手。He was tall, dark and handsome, like a Mills and Boon hero.他个头高大、皮肤黝黑、相貌堂堂，像通俗爱情小说的男主角。A car is a real boon when you live in the country.在郊外居住,有辆汽车确实极为方便...
The organisms can be divided into discrete categories.有机体可分为许多互不相联的种类。The picture consists of a lot of discrete spots of colour.这幅画由许多不相连的色点组成.Mutual exclusion is the rule in both discrete and contiguous selection.互斥对离散选...
Callahan posits that chemical elements radiate electromagnetic signals.卡拉汉假定化学元素放射电磁信号。Her hypothesis concerns the role of electromagnetic radiation.她的假说涉及到电磁辐射的作用.Some people are worried that electromagnetic fields from...
"Anything else?" Colum asked. Kathryn shook her head wearily.“还有别的吗？”科拉姆问。凯瑟琳疲惫地摇了摇头。Furness shrugs wearily. He has heard it all before.弗内斯疲倦地耸了耸肩。这事他早就全知道了。I sighed wearily.我疲倦地叹了口气。...
From the increase in the weight of the desiccant the absolute humidity can be determined.可从干燥剂重量的增加来确定绝对温度.Conclusion Chemical eye burn caused by desiccant were alkaliburn with grave consequences.结论此种食品干燥剂致眼部化学伤为碱烧伤.Rege...