单词	bioindicator
释义	bioindicatorbi‧o‧in‧di‧ca‧tor /ˌbaɪəʊˈɪndəkeɪtə $ ˌbaɪoʊˈɪndəkeɪtər/ noun [countable] technical a small number of animals, plants, insects etc that are typical of all the animals, plants etc normally found in a particular area, which scientists study in order to get information about the whole area:  This insect-bacteria bioindicator is a reliable tool for assessing environmental damage to the country’s wetlands.
随便看	bedevil bedfellow Bedfordshire bedhead bedlam bed linen Bedouin bedpan bedpost bedraggled bedridden bedrock bedroll bedroom bedroom community bedroom tax bedside bedside manner bedsit bedsore bedspread bedstead bedtime Bedu bed-wetting

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