他正拿着一块布，布上粉红色的水滴落在地板上。He was holding a cloth that dripped pink drops upon the floor.鲍勃从椅子上滑下来，趴在了地板上。Bob slid from his chair and lay prone on the floor.地板上的沙子在我们脚下嘎吱作响。The sand on the floor scrunched under our feet....
微脉冲激光测距技术是新一代激光人卫测距系统所采用的距离测量技术.Micro - pulse laser ranging is a new method in satellite laser ranging.微脉冲激光雷达 ( micropu lselidar,MPL ) 是一种新型的激光雷达系统.Micropulse lidar ( MPL ) is a new type of lidar system....