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1.The amoeba is a microscopic organism that can change shape and move through water.
阿米巴是一种微观生物，可以改变形状并在水里移动。
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2.In biology, the amoeba is a single-celled organism that can reproduce by budding.
在生物学中，阿米巴是一种单细胞生物，可以通过分裂繁殖。
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3. Researchers have discovered new ways to study the behavior of amoebas in their natural environment.
研究人员已经发现了研究阿米巴在自然环境中行为的新方法。