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 book sales.今年图书销售激增。 •The insurance business suffered from a vicious cycle of boom and bust.保险业经历了繁荣和萧条的恶性循环。 •the property boom房地产业的繁荣
[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) in the night.大炮在晚上隆隆作响。 •He boomed (out) an order to the soldiers.他低沉有力地向士兵们发出命令。
[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 The leisure industry is booming.休闲产业正在蓬勃发展。 |