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boom的现在完成时为：boomed...
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The guns went “boom”.大炮发出“轰轰”声。I'm a product of the postwar baby boom.我出生在战后的生育高峰期。The hoped - for boom never materialised.期待的繁荣从未变为现实....a boom year at the cinema, with record advertising revenue and the highest ti...
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boom的现在进行时为：booming...
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boom的第三人称单数（三单）为：booms...
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The boom of the 1980s led to a taste for petrol-guzzling cars.20世纪80年代的经济繁荣使人们喜欢上高油耗的汽车。The stillness of night was broken by the boom of a cannon.夜晚的寂静被隆隆的炮声打破。An economic boom followed, especially in housing and constru...
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boom的一般过去时为：boomed...
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boom的音标：boom的英式发音音标为：[bu:m]boom的美式发音音标为：[bum]...
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vi.发出隆隆声，快速发展，暴涨vt.以低沉而有回响的声音发出，使繁荣，使迅速发展n.隆隆声，繁荣，激增...