规律guīlǜregular pattern; law; rule; regular; orderlyHSK 5PronunciationguīlǜExample sentence科学家发现这种自然现象背后存在一定的规律。kēxuéjiā fāxiàn zhè zhǒng zìrán xiànxiàng bèihòu cúnzài yídìng de guīlǜ.Scientists discovered that there is a certain regular pattern behind this natural phenomenon.Read and choose an answerOne fixed sampleExplore a sample