1 . The section of the body cavityof vertebrates that contains the stomach,in-testines,and other viscera.2. The posterior section of the body inarthropods. Primitively it consists of a seriesof similar segments.1.脊椎動物的體腔部分,包括胃、腸和其他內(nèi)臟。2.節(jié)肢動物體節(jié)的后段......(本文共 231 字) [閱讀本文] >>