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单词 univoltine
释义 uniˈvoltine, n. and a.
[ad. F. univoltin, -tain, f. uni- uni- + It. volta turn, time.]
a. n. One of a breed of silkworms which produces a single brood in a year.
b. adj. Having but one brood each year.
1874J. Geoghegan Parl. Rep. Silk in India 118 That this insect [sc. a silkworm] has quite changed its period of existence.., and from a multivoltine become a uniovoltine [sic].1883G. Watt Econ. Prod. India iii. 66 In Upper India and in Kashmir the univoltine worms are those usually reared.1892Chambers's Encycl. IX. 453/1 The B[ombyx] mori is univoltine or annual.
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