| 例句 |
A female rat may have five or six litters yearly, and an average of nine per litter.一只雌鼠每年可产幼仔五至六窝，平均每窝九只。Like humans, sows also breast-feed their babies.与人一样，母猪也给自己的幼仔喂奶。The marsupial wolf carried its young in pouches.袋狼把幼仔装在育儿袋里。It is a given that most animals will protect their young.大部分的动物都会保护它们的幼仔，这是一个不争的事实。Animals reject the runt of the litter.动物会丢弃最弱小的幼仔。 |