open-seaBNC¹⁷³⁹⁹⁵⁺² 基本例句 公海；远海 The open-sea plants had already left behind the increasingly arid seafloor, where a prodigious number of animals were still swarming: zoophytes, articulates, mollusks, and fish. 海产植物虽然已经放弃了这些变为贫瘠的土地，但数量很多的动物、植虫动物、节肢动物、软体动物和鱼类仍然到处皆是。 tingroom