2Below 600 feet ocean waters range from dimly lit to completely dark.
2Below 600 feet ocean waters range from dimly lit to completely dark.
600英尺下的海水从微弱的光亮逐渐变为彻底的黑暗。
2Below 600 feet ocean waters range from dimly lit to completely dark.
600英尺下的海水从微弱的光亮逐渐变为彻底的黑暗。