- [C]礁，暗礁 a line of sharp rocks,often made of coral,or a bank of sand on or near the surface of the sea
a submerged ridge of rock or coral near the surface of the water
a rocky region in the southern Transvaal in northeastern South Africa; contains rich gold deposits and coal and manganese
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
lower and bring partially inboard;
"reef the sailboat's mast"
roll up (a portion of a sail) in order to reduce its area
reduce (a sail) by taking in a reef
- The ship was wrecked on a reef.
- Our ship was able to haul up just before it hit the submerged reef.
- The ship struck a hidden reef and went dawn with all hands.
- The captain ordered to reef the sails for docking.
- Fish are abundant about the reefs.
- The ship was wrecked on a coral reef.
- The South China Sea Islands include more than 200 islands, sand cays, reefs and banks.
I..shook the reefs out of my..legs.出自： fig.
You reef as you would with a junk.出自：Practical Boat Owner