对称 duìchènduìchēng HSK7 symmetrical Definitions Defs Origin Strokes Stroke Words Sentences Sents 1 sentence 它们的对称性象征着大自然的和谐。 tāmen de duìchènxìng xiàngzhēng zhe dàzìrán de héxié. Their symmetry symbolizes the harmony of nature. Source: CCMatrix