A shipping company has made a claim for the cost of salvaging a sunken ship.某轮船公司要求赔赏打捞沉船的费用. (makeaclaim要求)Steps lead down to the sunken garden...台阶通向低处的花园。Try diving for sunken treasure.试着潜入水下找寻沉没的财宝。The sunken sailing...
The sunken sailing-boat was a glimmer of white on the bottom.沉没的帆船在海底闪烁着白光。They looked pale and unhealthy, with unwashed hair and sunken cheeks.他们脸色苍白，精神不振，头发脏乱，两颊深陷。This sighting occurred during my dive to a sunken wrec...
Machine parts of irregular shape can be washed very clean by ultrasonics.用超声波能把形状不规则的机件洗得很干净.In medical and other applications of ultrasonics , a variety of electronic instrumentation is used.超声波在医学和其它应用中, 要使用许多电子仪器设备.Th...