浮ふ力りょく調ちょう整せい装そう置ち

noun

buoyancy compensator; BC; BCD

Diving equipment that allows a diver to adjust buoyancy underwater. Often abbreviated as BC or BCD in English.

• ダイビングの前まえに浮ふ力りょく調ちょう整せい装そう置ちの点てん検けんを忘わすれずに。

  Don't forget to check your buoyancy compensator before diving.