干线 gànxiàn main line Definitions Defs Origin Strokes Stroke Words Sentences Sents 主干线 zhǔgànxiàn trunk line the primary line in a transportation or communications network, such as a main railway line, highway, or backbone cable新干线 xīngànxiàn Shinkansen the Japanese high-speed rail network, commonly known in English as the bullet train
