海洋hǎiyángocean; seaHSK 4PronunciationhǎiyángExample sentence地球表面的百分之七十以上被海洋覆盖。Dìqiú biǎomiàn de bǎifēnzhī qīshí yǐshàng bèi hǎiyáng fùgài.More than 70% of the Earth's surface is covered by ocean.Read and choose an answerOne fixed sampleExplore a sample