The diplomats observed, however, that this form of pollution was not being systematically measured and made public because the findings were likely to be too sensitive for the authorities.

然而，相关领事注意到：由于所发现物质对当局而言或许过于敏感，使得该污染未得到系统地测量并向公众公布。

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Lichens are extremely sensitive to atmospheric pollution and can be used as indicators of air quality.

地衣对环境污染极端敏感，可作为测试空气质素的指标。

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Being sensitive to surrounding environmental changes, reef corals have proved to be capable of recording such environmental information as temperature, salinity and pollution.

大量研究证实，对环境变化非常敏感的珊瑚能够记录越来越多的环境信息。

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