the northern right whale is a baleen whale with bow-shaped lower jaw and a head that is up to one-quarter of the body le

问题描述:

the northern right whale is a baleen whale with bow-shaped lower jaw and a head that is up to one-quarter of the body length.3877

北露脊鲸是一种有弓形下颌的须鲸,其头部占其四分之一身长.