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单词 gizzard stone
释义

> as lemmas

gizzard stone
gizzard stone n. any one of the stones or pieces of gravel normally present in the gizzard of many larger birds and certain herbivorous dinosaurs, which aid the grinding of ingested food.
ΚΠ
1678 W. Salmon tr. Pharmacopœia Londinensis iii. xiii. 405/2 Cocks Gizard stone. The bearing of it is said to provoke Venery.
1880 J. C. Crawford Recoll. Trav. N.Z. & Austral. 94 Wherever a heap of gizzard stones, composed chiefly of quartz pebbles, are met with, Moa bones may be expected.
1935 Bios 6 223 A nice smooth stone which some obese Barosaurus tossed about in his stomach as a timely preventative of acute indigestion—that constituted a gizzard stone.
2003 Sci. News 1 Nov. 286/2 Gizzard stones account for just over 1 percent of an ostrich's body weight.
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