reef
Definition
A ridge of rocks or coral beneath the surface of the sea, often hazardous to ships.
中文 海面下由岩石或珊瑚组成的隆起部分，通常对船只造成危害。
Example
"The ship struck a coral reef and began to take on water."
A ridge of rocks or coral beneath the surface of the sea, often hazardous to ships.
中文 海面下由岩石或珊瑚组成的隆起部分，通常对船只造成危害。
"The ship struck a coral reef and began to take on water."