yóu / yú / dà / wù / tuō / lún / bǎ / zhè / sōu / chuán / ān / quán / de / yǐn / chū / le / gǎng / kǒu

由于大雾，拖轮把这艘船安全地引出了港口。

Because of the heavy fog, the tugboat safely guided the ship out of the harbor.