显微镜见到的粒子,在颜色 、 组织结构 、 均匀性以及对水的溶解和吸附性方面都各不相同.Microscopically visible particles differ in colour, texture, unmiformity and in watersolubility and absorption.分子筛具有吸附性、再生性, 热稳定性好.Molecular sieve has the advantages of good ab...
Some have called him the greatest entertainer of the twentieth century.有人曾称他为20世纪最伟大的艺人。He was a great entertainer but going insane.虽然他还是那样善于逗趣,但他的神经显然越来越不正常了.The engagement of a well - known entertainer obviously gives ...
早期病变可以有效地用放射线或烧灼术和刮除术来治疗.Early lesions can be successfully treated with irradiation or cautery and curettage.用途: 主要用来刮除铁锈和墙漆.Application: mainly use to shave rust and oil paint.方法: 采用气管内全身麻醉下手术切除扁桃体和 ( 或 ) 腺样体刮除术.Methods...
一会儿天阴得很黑;紧跟着就是打雷打闪.Pretty soon it darkened up and begun to thunder and lighten.一天傍晚, 突然下起可怕的暴风雨,又响雷又打闪.One evening a fearful arose, it thundered and light end.恐怕暴雨即将来临, 您看见那边打闪了 吗 ?I feel a thunderstorm is brewing. Do yo...