sagacity

n. 聪慧，洞察力

safeguard, safekeeping, safely, safety, safety curtain, safety glass, safety island (also `safety zone), safety lamp, safety match, safety net, safety razor, safety-belt, safety-catch, safety-pin, safety-valve, saffron, sag, saga, sagacious, sagaciously, sage, sage-brush, sagely, Sagittarian, Sagittarius, sago, sahib, said, sail, sailboat, sailcloth, sailing, sailing ship, sailing-boat, `sailing-ship, sailor, sailor hat, sailor suit, saint, saint's day, sainted,