Like a giant sundial, it demarcates both space and time.像个巨大的日晷, 它划分了时空.The intelligent sensor has self - calibration zero spot , self - demarcates, self - calibration function, different cylinder diameter hypothesis.智能传...
The beaches are wide and filled with interesting flotsam and jetsam .海滩宽阔，到处是有趣的被冲上岸的零碎杂物。Sick and starving refugees are the flotsam and jetsam of war.生病和饥饿的难民是遭战祸而流离失所的苦命人.You know the difference between flotsam and jet...