单词 | boom |
释义 | boom 1 (bm) v. boomed, boom·ing, booms v.intr. 1. To make a deep, resonant sound. 2. To grow, develop, or progress rapidly; flourish: Business is booming. v.tr. 1. To utter or give forth with a deep, resonant sound: a field commander booming out orders. 2. To cause to grow or flourish; boost. n. 1. A deep resonant sound, as of an explosion. 2. A time of economic prosperity. 3. A sudden increase, as in popularity. [Middle English bomben, imitative of a loud noise.] boomy adj. |
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