知识贝壳
知识贝壳
所属栏目：英汉双解生物学
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.脊椎动物的体腔部分,包括胃、肠和其他内脏。2.节肢动物体节的后段 ......（本文共 231 字 ） [阅读本文]>>