HSK 7-9
轨迹
guǐjì名
locus; orbit; trajectory; track
警方根据车轮轨迹寻找车辆。
Jǐng fāng gēn jù chē lún guǐ jì xún zhǎo chē liàng.
Police searched for the vehicle by following its wheel tracks.
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Appears across levels (7-9) in the HSK 3.0 word list.