n.挤奶；一次的挤奶量
动词milk的现在分词.
The cows will be in for milking soon. 奶牛一会儿就赶回来等待挤奶。
If you have cows you have to get up early to do the milking. 如果你养奶牛，你就得每天起早去挤奶。
A computer keeps record on their eating and milking. 有一台电脑会记录他们的进食量和挤奶量。
