reefs

/ri:fs/

📖 中文释义

  1. 礁体

🧩 词形变化

变形 s3原形 reef
📘 English Definition（英文释义）
  1. n a submerged ridge of rock or coral near the surface of the water
  2. n a rocky region in the southern Transvaal in northeastern South Africa; contains rich gold deposits and coal and manganese
  3. 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
  4. v lower and bring partially inboard
  5. v roll up (a portion of a sail) in order to reduce its area
  6. v reduce (a sail) by taking in a reef
R 字母词表