pelagic
adj. 浮游的；远洋的，深海的
例句
Pelagic sharks are usually caught on the high seas in tuna or swordfish fisheries.
深海鲨鱼通常在公海中被金枪鱼或旗鱼的捕捞渔业捕获。
This is less than the total biological production in the main water column, or pelagic zone.
它比主水体或远洋区的生物总产量要少一些。
What is the range of the pelagic environment?
水层环境的范围是什么？
