wide 是“宽”的意思,是形容词,表示具体的宽度。widely 是副词,表示抽象的宽度。deep 是形容词,表示具体的“深度”。 deeply 是副词,表示抽象的深度。例如:1)The street is twenty meters wide.2)English is widely used in the world.3)We dug deep holes to plant trees.4)She loves him deeply in her heart.