So far, only one male dolphin, the individual spotted in 2009, has been seen conching.

到目前为止，仅在2009年发现一只雄性海豚在用海螺捕食。

youdao

So far, only one male dolphin, the individual spotted in 2009, has been seen conching.

到目前为止，仅在2009年发现一只雄性海豚在用海螺捕食。

youdao