六分仪可用于航海和勘探中。Sextant can be used for exploration and navigation .另外的早期仪器还有六分仪和星盘.Other early instruments included the sextant and the astrolabe.六分仪曾经在航海中扮演了重要角色.Sextant once played a very important role in navigation....
The people of Judea flocked to the city.人们成群结队地涌向城里.The crowd flocked into the church.人群涌入教堂.The public have flocked to the show...公众蜂拥而至观看演出。People flocked to hear the new prophet.人们成群结队地去听这新的预言家演讲。Crowds flocked after ...
共享软件 - 让你在购买之前试用的软件.Shareware - Try before you buy software downloaded from the net.试用的香水太多,你的鼻子很难闻出它们之间的区别.Beyond that your nose is less able to detect the difference.他们买这部可供试用的录像机.They took the vcr on approval....
Water soluble hydroxypropyl � � cyclodextrin was converted to acetonyl hydroxypropyl � � cyclodextrin via selective oxidation.通过选择性氧化,将水溶性优良的羟丙基β环糊精转化为丙酮基羟丙基β环糊精....