1·Find yourself thinking about tropical fish in your bathtub?
你还躲在浴缸中对热带鱼念念不忘吗？
2·Customs staff were alerted by "flipping noises" coming from beneath the woman's skirt, and found an apron of plastic water-filled bags containing 51 live tropical fish.
海关人员听到女子裙子里传出“东西翻滚发出的噪声”后警觉起来，并发现一条装满塑料袋的围裙，塑料袋里装满水，里边还有51条鲜活的热带鱼。
3·Many people keep them as tropical fish.
许多人保留他们作为热带鱼。
4·He breeds tropical fish.
他培育热带鱼。
5·Off the Washington coast, stunned fishermen caught tropical fish that seldom stray that far north.
华盛顿沿岸的渔民捕获，震惊的热带鱼，很少杂，遥远的北方。