HSK 4
高速
gāosù形
high speed; expressway (abbr. for 高速公路)
这条高速今天有点堵车。
Zhè tiáo gāo sù jīn tiān yǒu diǎn dǔ chē.
There is some traffic on this expressway today.
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New in the HSK 3.0 word list at level 4.