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1·Prolonged exposure to these pollutants may result in chronic disease.

长期接触这些污染物可能会引起慢性疾病。

2·Prolonged exposure would be more dangerous.

长时间的接触会更加危险。

3·Prolonged exposure to the sun can cause skin cancer.

长时间暴露在太阳下会引起皮肤癌。

4·Danger of serious damage to health by prolonged exposure.

长期接触严重危害健康。

5·Caused by initial blast (damage), prolonged exposure to fire.

由初始爆破(损坏)引起，长时间曝光引起火灾。

6·Proper winter attire protects your body from prolonged exposure to the cold.

合适的冬季服装可以保护皮肤，避免长时间暴露在寒冷的空气中。

7·Toxic: danger of serious damage to health by prolonged exposure if swallowed.

有毒的：吞食长期接触有严重损害健康的危险。

8·The odourless, colourless gas is deadly if there is high or prolonged exposure.

这种无色无味的气体如果长期大量地泄露，将是杀人不眨眼的恶魔。

9·Harmful: danger of serious damage to health by prolonged exposure if swallowed.

有害的：吞食长期接触有严重损害健康的危险。

10·Toxic: danger of serious damage to health by prolonged exposure through inhalation.

有毒的：经吸入长期接触有严重损害健康的危险。