The hydrophone records from the deep waters where they spend most of their time revealed them to be much more common.
水听器深水区的记录则表明,在深水区,抹香鲸确实更为常见——他们本就习惯在那儿呆着。
2
For the first time, scientists have been able to observe these deep-sea eruptions through high-definition video and audio, thanks to a hydrophone that was later matched to the video footage.