Word: 海底 (hǎidǐ) 海底 dictionary entry hǎidǐ seabed Full dictionary entry for 海底 Example sentences using 海底 3 sentences, showing page 1 of 1. 国家正在勘探海底的矿藏。 Guójiā zhèngzài kāntàn hǎidǐ de kuàngcáng. The country is surveying the mineral resources on the seabed. 很多宝藏还沉睡在海底。 Hěn duō bǎozàng hái chénshuì zài hǎidǐ. Many treasures still lie undiscovered on the seabed. 科学家在探索海底世界。 Kēxuéjiā zài tànsuǒ hǎidǐ shìjiè. Scientists are exploring the undersea world.