[坎贝尔生物学 第1452页] Campbell Biology 12th Edition
- in small intestine, 908f, 909 - in stomach, 907f-908f - vertebrate adaptations for, 911f-914f - Digestive enzymes , 76f - Digestive secretions , 898, 907f-908
- in small intestine, 908f, 909 - in stomach, 907f-908f - vertebrate adaptations for, 911f-914f - Digestive enzymes , 76f - Digestive secretions , 898, 907f-908