...Upon their surfaces and within their cleftsand fissures they undergo retrogressive changes, softening, bleeding, orulcerations... 
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...We oughtto have been retrogressive yesterday, according to the time calculated onfor our stock of provisions; but we could not leave the river withouttracing it to the furthest accesible point...
Thomas Mitchell 「Journal of an Expedition into the Interior of Tropical Australia」
ランダム例文：
shuck depopulated potted
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