音标：[ik'stri:mli]
ad. 极端地, 非常地
在线英汉词典

extremely的短语、例句：

extremely adv (with adjs and advs 与形容词和副词连用) to a very high degree 极端; 极其; 非常
That´s extremely interesting. 那极为有趣.
I´m extremely sorry for the delay. 对此延误, 我深感抱歉.