The UN pledged to help supervise the clearance of mines.联合国承诺协助监督扫雷工作。The troops are slowly clearing the mines.部队正在慢慢地扫雷。American minesweepers are sweeping the Arabian Sea.美国的扫雷艇正在阿拉伯海扫雷。The U.N. pledged to help supervise the clearance of mines.联合国承诺帮助监督扫雷工作。