“贯通”造句

他们正在挖一条贯通这座山的隧道.
They are digging a tunnel through the hill.

这条铁路已全线贯通.
The whole railway line has been joined up.

日军想在五月中旬贯通曼谷和仰光.
The Japanese aim to open the Bangkok - Rangoon section by the middle of May.

• #贯通