基本解釋[生物學]原始體腔英漢例句雙語例句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體內(nèi)腔室,與體腔相似,但是沒有中胚膜。odict.netprimitive body cavity更多例句專業(yè)釋義生物學原始體腔