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...
Chemical transformations occur.发生了化学转换。Energy transformations go on constantly, all about us.在我们周围,能量始终在不停地转换着.On the average, such transformations balance out.平均起来, 这种转化可以互相抵消....
Most of the wine was unfit for human consumption.这些酒中大部分都不适于人类饮用。Mr Abel's doctor has said he is unfit to travel.埃布尔先生的医生说他不宜出行。He had a third examination and was declared unfit for duty.他接受了第三次检查，被告知不宜上班。...
Our cars get blocked in and we can't leave for ages.我们的车被堵在里面，要等很久才能走。ages anterior to the flood洪水前的各个时期benighted ages of barbarism and superstition野蛮迷信的蒙昧时代Roleplaying outgrew the dungeon crawl ages ago.数年前开始,角色扮演开...
七十五岁了,他的身躯还是挺直的.At 75 he is still erect.他的双臂必须拚命支撑着,才能保持挺直的姿势.He had to hold himself upright with both hands.他年事已高,过去挺直的腰板弯了.Age had bowed his once straight back....