词汇	ftf
释义	ftf =finger to finger(test) 指指试验
随便看	serious shortage Serious Shortage of Rural Workers serious shortcoming serious side serious skin burns not immediately apparent serious skin burns not immediately painful serious skull injury serious soft tissue bed damage serious soil and water loss zone serious speech serious spinal tuberculosis serious spring drought serious statement serious study and investigation serious subject serious suspicion serious talk serious task serious test anxiety serious testing serious thinking serious thoraco-abdominal wound serious thought serious threat serious time