浓缩牛肉汁;
The orders for the beef extract are falling off.
牛肉汁的定单正在减少.
The best carbon and nitrogen source were glucose and beef extract respectively.
最佳碳氮源分别为葡萄糖和牛肉膏.
It includes beef extract and malt.
这种酒离包括了酒精和麦芽.
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