割线

例句：

1. 1. The knife was used to cut the meat into slices.
   刀被用来把肉切成片。
2. 2. The rope was severed by a sudden gust of wind.
   绳子突然被一阵风割断了。
3. 3. The bridge was cut in half by an earthquake.
   桥梁在地震中被完全切断了。