偏利共栖 piānlìgòngqī commensalism Origin Definitions Defs Strokes Stroke Words Sentences Sents 偏 piān adverb deviating deviating from a standard or average; slightly (high, low, etc.)利 lì noun benefit advantage; benefit; help or use. Opposite of 弊 bì or 害 hài共栖 共棲 gòngqī commensalism biological relationship where one organism benefits and the other is unaffected