单词：enteropneusta
音标：['entərɒpnɪəstə] ；
肠鳃类
n. pl. A group of wormlike invertebrates having, along
the sides of the body, branchial openings for the branchial sacs, which
are formed by diverticula of the alimentary canal. Balanoglossus is the
only known genus. See Illustration in Appendix.
the sides of the body, branchial openings for the branchial sacs, which
are formed by diverticula of the alimentary canal. Balanoglossus is the
only known genus. See Illustration in Appendix.