长足chángzúremarkable; significant (progress, development)HSK 7-9PronunciationchángzúExample sentence近十年来,中国的科技取得了长足进步。Jìn shí nián lái, Zhōngguó de kējì qǔdéle chángzú jìnbù.Over the past decade, China has made remarkable progress in science and technology.Read and choose an answerOne fixed sampleExplore a sample