Ozone is a highly reactive form of oxygen gas.臭氧是一种非常活跃的氧气形态。Ozone is produced by the reaction between oxygen and ultra-violet light.臭氧由氧气和紫外线发生反应而产生。Carbon, hydrogen and oxygen combine chemically to form carbohydrates a...
导线和检波器易受高压线感应.The wires and detectors are liable to induction from the power lines.我们能在足够大的范围内安置许多检波器.We can implant many detectors over an area which is large enough.这就导致检波器组合的概念.This leads us to the concept of arrays o...
Cloth diaper may be folded in a triangle or a rectangle.用布做的尿布可以叠成三角形或长方形.Now I can help diaper him.我现在可以帮他换尿布了.Place the diaper under the infant's buttocks and fold sides in, between his legs.将尿布置于婴儿的臀下, 在两腿之间将两边摺进...
他仍在从事促进当地创业的志愿者工作。He is still involved in voluntary work promoting local enterprise.目前可能正是创业的最佳时机。Now is probably as good a time as any to start a business.他要等到立功、创业的时机成熟时才醒来.He will rest there until the time is ripe for...