廉价是聚酯树脂受到欢迎的主要原因之一.Cheapness is one of the main attractions of polyester resins.将聚酯, 聚已酸乙稀酯从反应器中拿出来.The polyester , polythylene adipate, was removed from the reactor.经过多番实验, 终于找到了一种确能把它们转换成结实的聚酯的方法.After much experimenti...
She opened her arms and gave me a big hug.她张开双臂,紧紧地拥抱了我。You tend to niggle at your partner, and get hurt when he doesn't hug you.你往往会对伴侣吹毛求疵,如果他不拥抱你,就感到受了伤害。A heavy car with a low center of gravity will hug the road...
Along with the appearance of LIDAR, the extraction of 3 D buildings becomes more and more important.随着LIDAR技术的出现,三维建筑物的提取也受到越来越多的重视.Micropulse lidar ( MPL ) is a new type of lidar system.微脉冲激光雷达 ( micropu lselidar,MPL ) ...
“求求你留下来给我读点东西吧,妈妈,”他央求道。"Please stay and read to me, mummy," he beseeched.她用的是央求的语气。Her voice was pleading.我再三央求, 他才答应帮忙.He made a promise of help, as I pleaded with him again and again....