In this study, she and her colleagues estimated the degree of louse infestation by the number of nits picked. The more nits, they calculated, the more lice-producing nits.
在这项研究中，她和同事们根据抓到的虱卵数量估算虱子滋生的程度。他们认为，虱卵越多，说明产卵的虱子越多。
Hormonal changes in the blood of the macaques that the lice feed on could affect louse reproduction and cause a jump in lice in winter and summer, which would make grooming more important.
虱子吸食的猕猴血液中的激素变化可能会影响虱子的繁殖，导致冬夏两季虱子数量暴增，那会让梳毛显得更为重要。
Hormonal changes in the blood of the macaques that the lice feed on could affect louse reproduction and cause a jump in lice in winter and summer, which would make grooming more important.
虱子吸食的猕猴血液中的激素变化可能会影响虱子的繁殖，导致冬夏两季虱子数量暴增，那会让梳毛显得更为重要。
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