论文部分内容阅读
非洲的尼日尔,每户人家的碗橱里都有一只龟,这是一种散香龟。它头顶上有个突出的香腺,能分泌香素。香素能发出浓郁的
In Niger, Africa, there is a tortoise in the cupboard of each household, which is a kind of loose turtle. It has a prominent glandular head, can secrete phonin. Scented can give a rich