名词
中文翻译：自由游泳的原生动物
同义词：
['自由游动的原生生物例句：1. These free-swimming protozoa are capable of moving through the water with incredible speed.（这些自由游动的原生动物能够以惊人的速度在水中移动。）2. The study of these free-swimming protozoa has led to important discoveries about the behavior of marine life.（研究这些自由游动的原生动物已经导致了关于海洋生物行为的重要的发现。）']
例句：
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1. These free-swimming protozoa are capable of moving through the water with incredible speed.
这些自由游动的原生动物能够以惊人的速度在水中移动。
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2. The study of these free-swimming protozoa has led to important discoveries about the behavior of marine life.
研究这些自由游动的原生动物已经导致了关于海洋生物行为的重要的发现。
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3. The research team focused on studying free-swimming protozoa as they were believed to play a crucial role in maintaining the balance of marine ecosystems.
研究小组专注于研究自由游动的原生动物，因为人们认为它们在维持海洋生态系统平衡中起着关键作用。