延伸yánshēnto extend; to stretch; to expand; to spreadHSK 6PronunciationyánshēnExample sentence这条公路向东延伸了五十公里。Zhè tiáo gōnglù xiàng dōng yánshēn le wǔshí gōnglǐ.This highway extends fifty kilometers to the east.Read and choose an answerOne fixed sampleExplore a sample