reef的中文意思、音标与词形变化

n. 暗礁, 礁, 缩帆 v. 缩(帆)

n. a submerged ridge of rock or coral near the surface of the water 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