An earthworm is a terricolous organism.蚯蚓是陆生的生物.The earthworm population had declined by 70 %.蚯蚓数量下降70%.The oral opening in an earthworm is small.蚯蚓的口是很小的....
An earthworm is a terricolous organism.蚯蚓是陆生的生物.Objective To determine the molecular weight of a novel deoxyribonuclease ( EWD 1 ) from the earthworm.目的测定从蚯蚓组织中提取纯化的一种新型 脱氧核糖核酸 酶的相对分子质量.Earthworm medicines and chemical r...