贯穿

HSK 7-9

guànchuān

penetrate; run through

a connecting thread from beginning to end; to link

针线贯穿着整个布料。

zhēn xiàn guàn chuān zhe zhěnggè bùliào.

Needle threads run through the entire fabric.

这条铁路贯通了两个城市。

zhè tiáo lùtái gùncuān le liǎng gè chéngshì.

This railway connects two cities.