例句
The flat, free-swimming, ciliated larva of a coelenterate.
自由游动的被囊动物；有时作为一个目。
This system found in some animals, and most of the coelenterate porous , they are Camp fixation living or planktonic life, from either side of the body to stimulate feelings or obtain food.
这种体制见于部分多孔动物和多数腔肠动物，它们营固着生活或浮游生活，能够从身体的任何一面感受刺激或取得食物。