Continuous exposure to sound above 80 decibels could be harmful.持续暴露在强度高于80分贝的噪声中可能有害。The typical lawn mower makes about 90 decibels of noise.典型的割草机发出的声响约为90分贝.A normal conversation reaches 55 decibels.普通的谈话即可达55分贝....
Continuous exposure to sound above 80 decibels could be harmful.持续暴露在强度高于80分贝的噪声中可能有害。However, psychologists distinguish between'sound " and " noise " .'sound " is measured physically in decibels.然而, 心理学家把声音与噪声...
the development of in vitro fertilization体外受精的研究发展The sex of the embryo is predetermined at fertilization.胚胎的性别早在受精时就决定了。They damage female strobili during the interval between pollination and fertilization.在传粉与受精的间隔期间,他...
We also recognize the diversity and complexity of controlling in fluences in estuaries.我们也认识到在河湾内控制影响的多样性和复杂性.Estuaries also contribute to economy through tourism and fishing.河口还为人类提供了休闲和教育的场所.Nutrients arrive in estuari...
Eugene was concocting Rossini Cocktails from champagne and pureed raspberries.尤金当时正在用香槟和覆盆子酱调配罗西尼鸡尾酒。C : Oh , It'seems nice. I'll try it. And tournedos Rossini, Caesar salad and French bread.啊, 好象很好, 我就要这个, 还有芙...