| 单词 | gill slit |
| 例句 | “These are, we suggest, the precursors of what we call the gill slits which you see in a fish,” he said. A huge mouth and no anus – this could be our earliest known ancestor 2017-01-30T05:00:00Z They are situated on each side of the pharynx, and they correspond to the gill slits in lower vertebrates. Embryology The Beginnings of Life 2011-09-12T02:00:28.483Z |
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