名词
中文翻译：毛毛虫步态
同义词：
['caterpillar stride', 'caterpillar walk例句：1. The caterpillar tread on the ground was soft and springy.（毛毛虫在地上爬行时，脚步软而有力。）']
例句：
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1. The caterpillar tread on the ground was soft and springy.
毛毛虫在地上爬行时，脚步软而有力。
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2. The caterpillar tread is a common sight in many forests.
在许多森林中，毛毛虫的步态很常见。
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3. The caterpillar tread is often used as an indicator of the health of the ecosystem.
毛毛虫的步态常常被用作生态系统健康状况的指示。