科学60秒:骨髓移植治疗强迫症
【全文听写】Hints：OCDtrichotillomaniaNobel Laureate Mario CapecchiCellmicrogliaA strain of mutant mice groom compulsively till they seriously injure themselves. The condition is considered a goo...
科学60秒:开车的时候一心多用？还是算了吧
【全文听写】 hints: The National Safety Council University of Utah Jason Watson David Strayer Psychonomic Bulletin and ReviewThe National Safety Council estimates that 28% of all highway acc...
短文听写：保护树木
保护树木Protect Trees Trees are important for life. They protect our environment. Without them, soil would be washed into the rivers, causing floods or droughts. Trees help purify the air by l...
