1. The two simultaneous shots sounded like one.
    两声枪响同时响, 听起来就像一声。

2. All seats on the ground floor are equipped with earphones through which you can hear a simultaneous translation of a speech in any one of twelve different languages.
    池座的所有座位都装有耳机。通过耳机你可以听到讲话的同声传译。有十二种语言可供选择。