今年放暑假的时候,妈妈带我去了北京的海洋馆。啊,海洋馆可真大呀!我仿佛到了海底世界一样,海洋馆有许多鱼,有鲨鱼、食人鱼、章鱼、海葵和水母,另外还有海狮和海豚。我记得最清楚的是有种体长只有约二十厘米的小鱼———食人鱼。它看起来很不起眼,但是,它有一副特别锋利的三角 Summer vacation this year, my mother took me to the aquarium in Beijing. Ah, the aquarium can be really big! I seem to go to the underwater world. There are many fish in the aquarium, there are sharks, piranhas, octopuses, sea anemones and jellyfish, in addition to sea lions and dolphins. I remember most clearly that there is a kind of fish with a body length of only about twenty centimeters --- piranhas. It looks very humble, but it has a particularly sharp triangle