词典释义：
双语例句
-
In two years he had learned everything about shepherding: he knew how to shear sheep, how to care for pregnant ewes, and how to protect the sheep from wolves.
过去的两年中，他学会了牧羊的所有決窍，学会了剪羊毛，照顾怀孕的母羊，以及如何对付野狼，保护羊群。