1.(1)high作副词,意思是“高地”(to or at a high level in position,movements or sound) 例如:He kicked the ball high into the air.他把球高高地踢到空中. The bird sang high and clearly.鸟儿的歌声高亢嘹亮. (2)highly的意思是to a high degree,是抽象的,表程度的“高”,译成中文即“极”.多用于动词派生的形容词前面 例如:highly pleased 极为高兴 highly skilled 技艺高超的 简单地说,high是具体意义的“高”,highly是抽象意义的“高”. 2.slow和slowly同义.一般用slowly多点.