礁 jiāo HSK7 reef Origin Definitions Defs Strokes Stroke Words Sentences Sents 1 sentence 珊瑚礁是许多海洋生物的家园。 shānhú jiāo shì xǔduō hǎiyáng shēngwù de jiāyuán. Coral reefs are home to many marine creatures. Source: Dong Chinese Dictionary