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Chinese dictionary
n.vertical; perpendicular
此塔高54米，塔顶偏离垂线大约五米。
The tower is 54 meters high and leans by about 5 meters from the perpendicular.
此塔高54米，塔顶偏离垂线大约五米。
The tower is 54 meters high and leans by about 5 meters from the perpendicular.