1. 这些虎鲸的两项精彩绝技尤其令人震撼，也就是牠们的「浮窥」和「挑尾」。 We are particularly awed by two of the orcas'showstopper stunts─when they spy hop (lift their heads out of water to look) and lob tail (hit the surface with the underside of the fluke).