虫;Many species have a pouch (marsupium), a fold of skin covering the nipples on the mother's lower belly, where the young continue their development.
许多品种都有
儿袋（marsupium），是
母
下
盖住乳头的皮袋，
袋内继续发。
袋Many species have a pouch (marsupium), a fold of skin covering the nipples on the mother's lower belly, where the young continue their development.
许多品种都有儿袋（marsupium），是母下盖住乳头的皮袋，袋内继续发。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
