Traditional: 暢通
畅通 (chàng tōng) means “unimpeded; free-flowing; straight path; unclogged; move without obstruction”. It is an HSK 6 Chinese word (traditional 暢通) in the HSK 3.0 vocabulary.
高速公路交通很畅通顺利。
Jiāotōng hěn chàngtōng.
The traffic is very smooth.
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