1、any animal of the phylum Chordata having a notochord or spinal column.
具有脊索動(dòng)物或脊椎的脊索動(dòng)物門的動(dòng)物。

2、Right now the notochord cell between vertebra is added gradually much.
此時(shí)椎間的脊索細(xì)胞逐漸增多。

3、any animal of the phylum Chordata having a notochord or spinal column
具有脊索動(dòng)物或脊椎的脊索動(dòng)物門的動(dòng)物。

4、fishlike animals having a notochord rather than a true spinal column
有脊索但無(wú)真正的脊柱魚類動(dòng)物。

notochord翻譯