reefs的中文意思、音标与词形变化

礁体

n a submerged ridge of rock or coral near the surface of the water n a rocky region in the southern Transvaal in northeastern South Africa; contains rich gold deposits and coal and manganese n one of several strips across a sail that can be taken in or rolled up to lessen the area of the sail that is exposed to the wind v lower and bring partially inboard v roll up (a portion of a sail) in order to reduce its area v reduce (a sail) by taking in a reef