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单词 cercus
释义 cercus Zool.|ˈsɜːkəs|
Pl. cerci.
[mod.L., f. Gr. κέρκος tail.]
One of a pair of small appendages found at the hind end of the abdomen of certain insects and other arthropods.
1826Kirby & Spence Introd. Entom. III. xxxiii. 718 These [appendages] are..the cerci of the Blattidæ and Gryllina.1937Discovery Mar. 90/2 Hairy tails or cerci which may be jointed.1951Colyer & Hammond Flies Brit. Isles 33 A pair of small appendages, known as ‘cerci’ may be visible, which are probably tactile in function.1957Richards & Davies Imms's Textbook Ent. (ed. 9) i. 55 The most conspicuous of the persistent appendages are the cerci of the 11th segment, which exhibit wide diversity of form and may even be transformed into forceps, as in the Japygidae and the earwigs.




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1889in Cent. Dict.1977New Scientist 7 Apr. 20/1 S. G. Matsumo and R. K. Murphy immobilised the cercal hairs with Clinique facial cleansing cream.
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