...a dust particle weighing only a thousandth of a gram.重量仅有千分之一克的灰尘微粒The magazine has just published its six thousandth edition.这本杂志刚刚出版了第 6,000 期。The phone rings for the thousandth time.电话都响了一千次了。One nanosecond is equa...
This is an entirely computer operated system which is very user friendly.这个系统完全由电脑操控，非常好用。This program is much more user - friendly.这个程序容易使用的多了.Multimedia techniques make this system user - friendly, more vivid and vigor...