He dressed well and had impeccable manners.他衣冠楚楚,待人接物无可挑剔。He has an impeccable sense of timing.他有着无可挑剔的节奏感。She had an impeccable aristocratic pedigree.她有纯正的贵族血统。...
BPA ( brooks parsimony analysis ) is one of the most popular methods in the study of historical biogeography.BPA ( brooksparsimonyanalysis ) 是历史生物地理学研究的重要分析方法之一,在过去的20年内得以发展和完善....