形容词急速发展的

动词激增( boom的现在分词 ); 猛涨; 发出隆隆声; 以低沉有力的声音说话

1. 繁荣发展的：5.infrastructure 基础设施 | 6.booming 繁荣发展的 | 7.tertiary industry 第三产业

2. 发展的：boomerang 回飞棒 | booming 发展的 | boomlet 小景气

3. 景气：boominess 箱谐振 | booming 景气 | boost compressor 增压器

adj

1. used of the voice

    Synonym: stentorian

2. very lively and profitable

    e.g. flourishing businesses
           a palmy time for stockbrokers
           a prosperous new business
           doing a roaring trade
           a thriving tourist center
           did a thriving business in orchids

    Synonym: flourishingpalmyprosperingprosperousroaringthriving