基本解釋初級骨髓腔英漢例句雙語例句On the 17th day, most of the innteral cavity of cartilage cells mass gradually merged, expanded and formed primary bone marrow.誘導第17天，大多數(shù)軟骨細胞集團內(nèi)部腔隙融合并逐漸擴大形成初級骨髓組織。primary marrow cavity更多例句專業(yè)釋義生物學初級髓腔