异性 yìxìng HSK7 opposite sex Definitions Defs Origin Strokes Stroke Words Sentences Sents 2 sentences 你怎样才能更好地与异性交流呢? nǐ zěnyàng cáinéng gènghǎo de yǔ yìxìng jiāoliú ne? How can you communicate better with the opposite sex? Source: UM-Corpus: News萤火虫用它们的光亮来吸引异性。 yínghuǒchóng yòng tāmen de guāngliàng lái xīyǐn yìxìng. Fireflies use their light for attracting mates. Source: AI Challenger 2017