milk character

例句：

1. 1. The milk contains essential nutrients that are beneficial for human health.
   牛奶含有对人体健康有益的必需营养素。
2. 2. The milk character of the cow is determined by its breed and diet.
   奶牛的牛奶特性由其品种和饮食决定。
3. 3. The milk character of different breeds can vary greatly, affecting flavor and texture.
   不同品种的奶牛牛奶特性差异很大，影响风味和质地。