Often all that is needed is a handful or two of moss fragments or scrapings .
通常只需要抓取一把或直接起出几块苔藓群落就可以。
Trace said you had the fingernail scrapings from our porn girl .
迹证组说你有受害者指甲刮下来的东西.
She 'll scrape up all the scrapings and load them on your head .
她会搜出种种鸡毛蒜皮的事情来,统统都往你头上扣。
When he and his colleagues analysed these scrapings they realised that their shape suggested they had been made by the claws of predatory , feathered dinosaurs related to a well-known species called velociraptor .