| 单词 | black-sick |
| 释义 | > as lemmasblack-sick black-sick adj. now chiefly historical (in oyster farming) designating female-phase larviparous oysters whose mantle chamber contains almost fully developed larvae having the appearance of a dark mass. ΚΠ 1667 T. Sprat Hist. Royal-Soc. 209 The Male-Oyster is black-sick, having a black substance in the Fin. 1869 J. G. Jeffreys Brit. Conchol. V. 165 The most forward, or ‘black sick’, easily opened, and have evidently lost much of their muscular power. 1896 M. Hartog in Cambr. Nat. Hist. II. iv. 114 The old view, that ‘black-sick’ oysters are the male..is therefore quite incorrect. 1977 Harpers & Queen Nov. 275/4 Fertilised eggs, which oyster farmers call..white, grey or black sick, depending on how ripe it is. 2002 N. Milner Incremental Growth of European Oyster 70 When oysters are incubating eggs they are described as being ‘white-sick’, ‘grey-sick’ and finally ‘black-sick’ due to changes in the pigment in the digestive tubules. < as lemmas |
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