climacteric

n period of life when physical powers begin to decline, eg (for women) the menopause 更年期（如妇女绝经期）.

clergyman, cleric, clerical, clerihew, clerk, clerking, clever, clever Dick, clever-clever, cleverly, cleverness, clew, clich, cliche, click, client, clientele, cliff, cliff-hanger, cliff-hanging, climactic, climate, climatic, climatically, climatology, climax, climb, climb-down, climber, climbing-frame, clime, clinch, clincher, cline, cling, cling film, cling to, clinging, clingy, clinic,