单词 callum 释义 ‖ callum Obs.[L. callum.]= callus n.c1420Pallad. on Husb. iv. 599 Callum that in Elmes leves borne is.a1640Jackson Creed x. xlii. Wks. IX. 499 Frequent calcitration against the edge of this fiery sword breeds a callum or complete hardne...