HSK 7-9
贯穿
guànchuān动
to run through; a connecting thread from beginning to end; to link
一条古道贯穿整个山谷。
Yì tiáo gǔ dào guàn chuān zhěng gè shān gǔ.
An ancient road runs through the entire valley.
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Appears across levels (7-9) in the HSK 3.0 word list.