Peter dingle , an environmental toxicologist at murdoch university in perth , australia , said he was mystified why milk powder was so popular in china .
澳大利亚珀斯默多克大学的环境毒物学家彼得丁格尔说，他对奶粉在中国如此流行感到费解。
A biologist named hugh dingle , striving to understand the essence , has identified five characteristics that apply , in varying degrees and combinations , to all migrations .
生物学家休丁格尔识别出符合不同程度和组合的所有迁徙的五种特征，力争了解其本质。
" Animal migrants do not respond to sensory inputs from resources that would readily elicit responses in other circumstances , " is the dry , careful way dingle describes it .
