biodegrade

Do they just float around in some form of limbo, doomed always exist and never biodegrade?

那些所有,是否并未消亡,只以某种形态存在于地球的某一处, 注定要永恒存在无法自然消解?

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Plastic bottles do not biodegrade.

塑料瓶无法被生物降解.

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