1540s, from Middle French profusion (16c.) and directly from Late Latin profusionem (nominative profusio) "a pouring out," noun of action from past participle stem of profundere (see profuse).
权威例句
1. Olive groves, grapes, and citrus fruits grow in profusion.
橄榄、葡萄和柑橘类水果产量丰富。
2. a profusion of colours
色彩斑斓
3. A profusion of leaves bursts out on trees in the springtime.