diedown和dieaway的区别
die away 逐渐停止，逐渐消失 The noize of the motorcar died away. 摩托车的噪声消失了。 die down 逐渐减弱，逐渐模糊 "After the excitement of the audience died down, the speaker restarted his speech." "等听众激动的情绪平息后,演讲人又重新开始演讲。"