Most rats deliver their litters successfully without human intervention .

老鼠提供最成功的垃圾没有人为干预。

Females have five to ten litters per year of around six young each .

雌性老鼠每年约产五至十窝幼仔，每窝约六只。

All humans are imperfect , even the man outside my apartment who litters .

人无完人，即便是那些在门外乱扔杂物的人。

Decomposition of eucalyptus-alder mixed litters and dynamics of soil faunal community .

桉-桤混合凋落物分解及其土壤动物群落动态。

Since 2007 litters have grown at more than double the usual rate , thanks to new vaccines and improved genetics .

自2007年来，新疫苗和改进的遗传学使得猪仔存活率比通常增长一倍以上。