sealing off mine water

例句：

1. 1. The engineer sealed off the mine water to prevent further contamination.
   工程师封锁了矿井水以防止进一步污染。
2. 2. The floodwaters were sealing off the road, making it impassable.
   洪水正将道路封堵，使其无法通行。
3. 3. The mine operator sealed off the water source to prevent accidents.
   矿场运营商封锁了水源以防止事故。