Chiefly Entomology. In certain insects and other arthropods: a segment forming the lower border or floor of the mouth, analogous to a lower lip…
| 单词 | θ30318 |
| 释义 | the world > animals > animal body > general parts > head and neck > [noun] > mouth > lip (3) labium1798 Chiefly Entomology. In certain insects and other arthropods: a segment forming the lower border or floor of the mouth, analogous to a lower lip… labrum1815 Chiefly Entomology. In insects and some other arthropods: a sclerite forming the upper border or covering of the mouth, analogous to the upper… lip1828 In scientific and technical uses. Anatomy and Zoology. = labium, n. or labrum, n.1 |
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