boom

v./n.(发出)隆隆声；繁荣，兴隆起来

book-keeper, book-plate, bookable, bookbinder [C], bookbinding [U], bookcase, bookie, booking, bookish, bookishness, bookkeeper [C], bookkeeping [U], booklet, bookmark (also bookmarker), bookmobile, books, bookseller, bookshelf, bookshop (US also bookstore), bookstall, bookstore, bookworm, boom town, boomerang, booming, boon, boor, boorish, boorishly, boorishness, boost, booster, boot, bootee, booth, bootlace, bootleg, bootlegger, bootless, bootstrap, booty, booze,