提示：点击例句中的单词，就可以看到词义解释

Peacocks don 't become feather dusters overnight .

孔雀不会在一夜之间变成鸡毛掸子。

General aviation covers crop dusters , corporate jets , single-engine training aircraft and cargo aircraft , among other things .

通用航空包括农用飞机，公司专机，单发动机教练机，以及运输机等飞行物。

He says drones are also likely to be used in mass farming to replace crop dusters or even herd cattle - even traffic helicopters could also be replaced .

他还说无人机也可能用于整个农业，以取代喷洒杀虫剂的飞行人员亦或是一些牲畜，甚至，交通用直升飞机也能被取代。