牛肉:成牛之肉，与小牛肉不同。最好的牛肉来自食用牛(阉过的牛)和小母牛(没有生过小牛的母牛)。

• "Beef： Flesh of mature cattle, as distinguished from veal, the flesh of calves. The best beef is obtained from steers (castrated males) and heifers (female cows that have not calved)."