单词 | 袋装 |
释义 | 〔envelope〕The bag containing the gas in a balloon or an airship.气囊:气球或飞艇上容纳气体的袋装物〔enterocoele〕The coelom formed from a pocketlike outgrowth of the wall of the archenteron, especially in echinoderms and chordates.肠体腔:由原肠壁的袋装生长而形成的体腔,尤其存在于棘皮动物和脊索动物中 |
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