As they drove by, a girl dived into the bright green water and her body sliced through the tank in a cloud of bubbles.

当他们开车经过时， 一个女孩潜入鲜绿色的水中， 她的身体在一团气泡中切开水槽。

It would slam its flukes down on the surface of the water--lobtailing, as it is known--then dive and swim round emitting a cloud of bubbles.

它会用尾鳍猛击水面——俗称“抛尾”——然后潜入水中并游动，喷出一团气泡。