| 单词 | sentinel crab |
| 释义 | > as lemmassentinel crab sentinel crab n. a crab of the Indian Ocean, Podophthalmus vigil. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Crustacea > [noun] > miscellaneous types > order Podophthalmia > member of podophthalmian1836 sentinel crab1863 1863 J. G. Wood Illustr. Nat. Hist. (new ed.) III. 586 The Sentinel-crab, so called from its extreme watchfulness [etc.]. < as lemmas |
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