FDA继续评估阿巴卡伟和地达诺新的总风险和收益。

FDA continues to evaluate the overall risks and benefits of abacavir and didanosine.

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尾矿池里含有的许多毒素可能会泄漏到地下水或是阿萨巴斯卡河里。

Tailings ponds contain a number of toxins that can leak into the groundwater or the Athabasca River.

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阿伯达省的油砂矿开始于1967年，最早的矿井是上图（1984年）中离阿萨巴斯卡河最近的那个。

Oil sand mining began in Alberta in 1967.That first mine is closest to the Athabasca River in the top image (1984).

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