| 单词 | boom |
| 释义 | boom [bu:m] noun SOUND 声音 countable ■a deep and loud hollow sound 低沉有回响的声音；隆隆声 [bu:m] noun PERIOD OF GROWTH 增长期 countable or uncountable ■a period of sudden economic growth, especially one that results in a lot of money being made （经济上的）繁荣，迅速发展 •This year has seen a boom in •The insurance business suffered from a vicious cycle of boom and bust •the property [bu:m] noun BOAT 船 countable specialized ■(on a boat) a long pole that moves and that has a sail fastened to it 帆桁；张帆杆 [bu:m] noun FILMING 拍摄 countable ■a long pole with a microphone on one end, used in television or film-making, which is held above the actors so that it records their voices but cannot be seen by the viewers （电视或电影制作中的）话筒吊杆 [bu:m] verb MAKE A SOUND 发声 intransitive or transitive ■to make a very deep and loud hollow sound 发出低沉有力的声音；发出隆隆声，轰鸣 •The cannons boomed (out) •He boomed (out) [bu:m] verb GROW 发展 intransitive ■to increase or become successful and produce a lot of money very quickly 繁荣，迅速发展 •OFTEN in continuous tenses |
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