Level 6 · word 17,484 of 20,000

undersea

/ˌʌndərˈsiː/ American
  • adj. 海底的
  • adv. 在海底
Definition
  • adj. existing or happening below the surface of the sea
  • adv. below the surface of the sea
Example
Scientists explored the undersea cave using a small submarine.
科学家们用一艘小型潜艇探索了海底洞穴。