深海生态的奥秘 · B2 · 7分钟
Far below the surface, life has adapted to darkness, pressure, and cold.
在海面深处，生命已经适应了黑暗、压力和寒冷。
Scientists continue to discover creatures that help us understand our planet.
科学家仍在不断发现帮助我们了解地球的生物。