Other creatures, however, are also listening. 然而 听到声音的还有其他生物

134. They're gathering here, most likely to breed.
     它们聚集于此 很可能是为了进行繁育
135. No-one is sure why they leap,
     蝠鲼跃出海面的原因尚不清楚
136. but the loud splashes certainly seem to attract more rays.
     但水花飞溅的声音显然吸引来了更多的同胞
137. Other creatures, however, are also listening.
     然而 听到声音的还有其他生物
138. Orca have heard the splashes.
     虎鲸循声而来
139. This female specialises in hunting rays.
     这头雌性虎鲸精通狩猎蝠鲼
140. But today, she is teaching two youngsters
     但今天 它正在传授两头年轻虎鲸

来自《行星地球 第三季 第二集 Planet Earth S03E02 海洋》第 137 行