per.vad.e|vad-=go全部走遍，蔓延，遍及，流行 #每日一词#

• The 20th century has seen an enormous output of different phylogenetic schemes and the persistence of grades has pervaded the methods of ``evolutionary systematics.'' (Levin, 2013)
• Propelled by the genome projects and their spinoff technologies, QTL analyses have pervaded all fields of biology and form the backbone for the recent explosion of studies tying specific alleles to human disease. (Rik Kooke Erik Wijnker, 2012)
• Along with those discontinuous phase changes during development, there are continuous patterns of developmental transitions that pervade every aspect of growth and development at a wide range of organizational levels from cells to organs to the whole organisms (Poethig, 2003). (Xu et al., 2016)
• Those issues that affect tree improvement pervade most aspects of commercial forestry. (Burdon, 2008)

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