bulky

体积大的

【例】Trains are usually used to transport heavy or bulky products.

火车通常用于运输笨重或体积庞大的货物。

bull

买空的证券投机商，多头

①【例】The stock market is a constant struggle between the bulls and bears, both groups tugging in the opposite directions.

股票市场中两股朝着相反方向拉动的多头和空头力量在持续斗争着。

②可用作定语

【例】A bull market is a rising stock market.

多头市场（牛市）是上升的股票市场。

bulletin

样本，小册子，行情表

【例】The attached bulletin will give you complete information on vacuum cleaner No. 111.

附上小册子一本，您能看到111号真空吸尘器的全部资料。