milk

Calcium is an essential nutrient found in cow's milk.

(Chinese) 钙是牛奶中含有的重要营养素。

He added a splash of milk to his black coffee.

(Chinese) 他在黑咖啡里加了一点牛奶。

The farmer wakes up at dawn to milk the cows.

(Chinese) 农夫在黎明时分起床给牛挤奶。

Manual labor was used to milk goats before modern machines.

(Chinese) 在现代机器出现之前，人们用手工为山羊挤奶。