book louse
柯林斯词典
1. N any small insect of the order Psocoptera, esp Trogium pulsatorium (common booklouse), a wingless species that feeds on bookbinding paste, etc 书虱
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1. N any small insect of the order Psocoptera, esp Trogium pulsatorium (common booklouse), a wingless species that feeds on bookbinding paste, etc 书虱