礁石 jiāoshí reef
怎么记住“礁石”: 礁 jetty + 石 stone = reef.
汉字
用法
- A reef / submerged or exposed rock in the sea - 船触礁石沉没了 (chuán chù jiāoshí chénmò le) the ship struck a reef and sank.
- A concrete geography noun; often paired with 触 (chù, strike). A hazard to boats.