n.牛肉,菜牛(饲养以供肉食的牛),体力,怨言,牢骚
vi.抱怨,大发牢骚
Beef now costs well over 30 roubles a pound.
牛肉现在卖到了每磅30多卢布。
A tantalising aroma of roast beef fills the air.
空气中充满诱人的烤牛肉香味。
They used to buy ten kilos of beef in one lump.
他们过去常买10公斤重的整块牛肉。