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Definitions2 characters
gao1 su4
high speed/expressway (abbr. for gao¹ su⁴ gong¹ lu⁴)
Usage•••frequent
Pronunciations

As word

1
gao1
high speed/expressway (abbr. for 高速公路 [gao1 su4 gong1 lu4])
2
su4
high speed/expressway (abbr. for 高速公路 [gao1 su4 gong1 lu4])