重心 zhòngxīn HSK7 center of gravity Origin Definitions Defs Strokes Stroke Words Sentences Sents zhòngxīn center of gravity · centroid 重 zhòng nounverb weight the weight or mass of a person or object心 xīn noun center the middle or interior part of something; the corezhòngxīn core 重 zhòng adjective important (bound form) important; significant; major心 xīn noun center the middle or interior part of something; the core