名词
中文翻译：前足
同义词：
['forefoot', 'foreleg']
例句：
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1.The spider's protarsus is adapted to grip onto small prey.
蜘蛛的前足适应于抓住小猎物。
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2.The lion's protarsus is longer than its hind legs, allowing it to reach higher branches.
狮子的前足比后腿长，使它能够攀爬更高的树枝。
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3. The dog's protarsus has sharp claws that help it dig and hunt in the dirt.
狗的前足有锋利的爪子，帮助它在泥土中挖掘和狩猎。