2.(adj.)大量的 We can offer you a discount for bulk purchase.

bulk carrier (n) a ship designed to carry bulk goods散货船

[例]　Due to the on-going strike , our goods can only be delivered by bulk carrier.

bull market (n.) period when share prices are rising牛市（行情看涨的市场）

[例]  She sold all her bonds in bull market.

bull position (n) a situation in which a dealer keeps hold of a particular stock or share because he expects a rise in price多头

[例] in a bull position

[同义词]long position

bust (adj inf) bankrupt破产的

[例]  The f irm went bust