海豚 HSK 7-9 hǎitún dolphin; 海豚 (hǎitún) Examples 海豚表演 hǎitún biǎoyǎn Dolphin performance 海豚很聪明 hǎitún hěn cōngming Dolphins are very smart. 看见海豚了 kànjiàn hǎitún le I saw dolphins.