pitnickBNC²³⁶²¹³⁺¹ 例句 In the study, Pitnick and colleagues analyzed334 species of bats and found that in species with promiscuous females, the males had evolved larger testes but had relatively small brains. 在这项研究中， Pitnick和他的同事们分析了334中蝙蝠，发现在雌性和雄性可以滥交的蝙蝠种属中，雄性的睾丸大而脑容量小。 bubami