‘The failure of dirt availability or habitat selection to explain the timing of male _dirtiness_ suggests that males delay dirtying their plumage to obtain some benefit from conspicuous plumage.’
‘I thought that untidiness and _dirtiness_ were the characteristics of cities in some underdeveloped country of the past, like Calcutta, Bombay, Rio de Janeiro or elsewhere, but not here in Australia.’
名词 变体/同根词
‘The failure of dirt availability or habitat selection to explain the timing of male _dirtiness_ suggests that males delay dirtying their plumage to obtain some benefit from conspicuous plumage.’
