calmness

n. 平静,镇静,冷静

call-up, call...to account, caller, calligrapher, calligraphy, calling, calling-card, calliper (also caliper), callisthenics (also calisthenics), callosity, callous, calloused, callously, callousness, callow, callowness, callus, calm, calm down, calmly, Calor gas, calorie, calories, calorific, calorimeter, calory, calumniate, calumnious, calumny, calve, calves, Calvinism, Calvinist, calypso, calyx, cam, camaraderie, camber, cambric, Cambridge,