隧道suìdàotunnelHSK 7-9PronunciationsuìdàoExample sentence这条新建的隧道穿过了整座山脉。Zhè tiáo xīnjiàn de suìdào chuānguò le zhěng zuò shānmài.This newly built tunnel cuts through the entire mountain range.Read and choose an answerOne fixed sampleExplore a sample