callosity

n (fml 文) area of hardened skin; callus 胼胝, 茧子（皮肤硬化的部分）.

call sb down, call sb out, call sb/sth off, call sb/sth up, call sth, call sth forth, call the roll, call up, call-box, call-girl, call-in, call-up, call...to account, caller, calligrapher, calligraphy, calling, calling-card, calliper (also caliper), callisthenics (also calisthenics), callous, calloused, callously, callousness, callow, callowness, callus, calm, calm down, calmly, calmness, Calor gas, calorie, calories, calorific, calorimeter, calory, calumniate, calumnious, calumny,