lactim

例句：

1. 1. This cheese is made from milk and has a rich flavor.
   这种奶酪是用牛奶制成的，味道很浓郁。
2. 2. Lactim is an important source of energy for many animals.
   乳糖是许多动物的重要能量来源。
3. 3.Lactim is also used in the production of lactic acid, which is used in fermentation processes.
   乳糖还用于生产乳酸，这种物质在发酵过程中有应用。