expand扩张(体积、面积上的)
His company expanded into a big one.
extend延长(线性的)
They extended the subway to the airport.
Enlarge
1)抽象意义上的“扩大”,如,扩大知识面enlarge my knowledge.
2)照片的放大I want to have this photo enlarged.
3) 数量上的增加.They've had the product enlarged.
expand扩张(体积、面积上的)
His company expanded into a big one.
extend延长(线性的)
They extended the subway to the airport.
Enlarge
1)抽象意义上的“扩大”,如,扩大知识面enlarge my knowledge.
2)照片的放大I want to have this photo enlarged.
3) 数量上的增加.They've had the product enlarged.