As winter sport become more popular, avalanches pose more of a threat. Ski patrols now monitor popular slopes to prevent avalanches from ever happening.
在冬季运动变得更加流行的同时，雪崩成为越来越大的威胁。雪橇巡逻队现在监控着雪崩易发的山坡以防止雪崩的发生。
He added NATO would continue to monitor military facilities in Libya to ensure civilians were not under threat.
他补充说，北约将继续监测在利比亚的军事设施，以确保平民不受到威胁。
He added NATO would continue to monitor military facilities in Libya to ensure civilians were not under threat.
他补充说，北约将继续监测在利比亚的军事设施，以确保平民不受到威胁。
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