您要查找的是不是：
- The worst pollution threat is concentrated in and near large cities. 最严重的污染威胁集中在大城市内或其附近。
- Southwest China Jinsha River faces pollution threat 金沙江面临被污染厄运
- Pollution poses a threat to the continued existence of this species. 污染对这一物种的继续生存造成了威胁。
- The situation poses a grave threat to world peace. 这局势对世界和平构成了严重的威胁。
- Pollution Threat Looms Large as China and India Rapidly Industrialize 随着中国和印度快速的工业化,污染威胁也大规模显现
- The railway is under threat of closure. 那条铁路有停止运营的迹象。
- Narcotics are a major threat to health. 毒品是危害健康的大敌。
- His presence is a threat to our success. 他的出现对我们的成功是一个威胁。
- Ice-floes are a threat to shipping in the area. 浮冰对这一带的航运是一种威胁。
- We should use anthracite to avoid air pollution. 我们应该使用无烟煤以防止空气污染。
- Pollution control has cleared the air. 污染管制已净化了空气。
- The threat of war has depressed business activity. 战争的威胁使经济萧条。
- Terrorism is a threat to the whole country. 恐怖主义是整个国家的祸根。
- Man is fighting a battle against pollution. 人类正在与污染作斗争。
- Pollution is still very much a live issue. 污染现象仍然是当前的大问题。
- The situation poses a grave threat to peace. 这一局势对和平构成重大威胁。
- This constitutes a threat to national security. 这对国家安全是不祥之兆。
- The soil becomes more and more acidic as pollution mounts up. 随着污染的加剧，土壤的酸化越来越严重。
- Fight the mounting threat of urban water pollution. 应对日益严重的城市水污染的威胁。
- A clamor in the press for pollution control. 在报纸上对污染控制的呼吁
