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...
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...
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...