教育应适应儿童的需要和能力。 Education should be geared to the children's needs and abilities.
猎浣熊狗任一种培育于美国东南部用来捕猎浣熊的毛皮光滑的猎狗 Any of various smooth-coated hounds of a breed developed in the southeast United States to hunt raccoons.
北京鸭一种中国种的大白鸭，在美国广泛培育用于食用 A large white duck of a Chinese breed, widely raised in the United States for food.
自由交配在一个育种群中自由交配 Random mating within a breeding population.
猎鹿犬苏格兰培育的一个古老品种的猎犬，形态象灵提，但较高较大，有一身硬直的皮毛，最初常用于猎鹿 A dog of an old breed developed in Scotland, related to and resembling the greyhound but taller and larger and having a wiry coat. It was originally bred for hunting deer.