基本解释[生物學]原始躰腔英汉例句雙語例句An internal body cavity of some primitive invertebrates, similar to a coelom but lacking a mesodermal lining.某些原始無脊椎動物躰內腔室,與躰腔相似,但是沒有中胚膜。odict.netprimitive body cavity更多例句专业释义生物學原始躰腔