Ecology. That remains within an environment for a long period of time, esp. as a result of low chemical reactivity or a long radioactive half-life.
单词 | θ94670 |
释义 | the world > time > duration > [adjective] > long-lasting or enduring > that remains within an environment (1) persistent1920 Ecology. That remains within an environment for a long period of time, esp. as a result of low chemical reactivity or a long radioactive half-life. |
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