那看不见的渡船，一阵又一阵地发出汽笛声。
船在薄雾中发出长长的哀伤的汽笛声。
我陷入了沉思，不知道已经走了多远，火车突然发出的汽笛声使我清醒过来。
The sudden sound of the train whistle brought me to myself; I had not known how far I had been walking, deep in thought.
科学家最近发现地球能发出刺耳的尖叫，类似汽笛声，假如真有外星人，它们可能会听到。
Scientists have discovered that the earth "screams" and that aliens can hear these chirps and whistles.
科学家最近发现地球能发出刺耳的尖叫，类似汽笛声，假如真有外星人，它们可能会听到。
Scientists have discovered that the earth "screams" and that aliens can hear these chirps and whistles.
应用推荐