The biological anthropologist Christy Turner is an expert in the analysis of changing physical characteristics in human teeth.
生物人类学家克里斯蒂·特纳是分析人类牙齿的物理特性变化的专家。
2
He liked to show small underwater creatures, displaying what seemed like familiar humancharacteristics—what we think of as unique to humans.
他喜欢展示小型水下生物，展现它们与人类相似的特征——那些我们认为人类独有的特征。
3
Studies have noted that vocalisations that some apes make while being tickled are similar to those made when they are playing, and acoustically they share some characteristics with human laughter.