HSK 7-9
礁石
jiāoshí名
reef
潜水员在礁石旁发现海龟。
Qián shuǐ yuán zài jiāo shí páng fā xiàn hǎi guī.
A diver spotted a sea turtle beside the reef.
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Appears across levels (7-9) in the HSK 3.0 word list.