名词
中文翻译：卷心菜白蝴蝶幼虫
同义词：
['cabbage butterfly caterpillar', 'cabbage leaf butterfly caterpillar']
例句：
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1. The caterpillars are feeding on the leaves of the cabbage plant.
这些蝴蝶幼虫正在卷心菜植物的叶子上进食。
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2.The caterpillars are a sign of spring as they emerge from their cocoons.
蝴蝶幼虫的出现是春天的标志，因为它们从茧中孵化出来。
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3. The caterpillars are an important part of the ecosystem, as they help to control pests and pollinators.
蝴蝶幼虫是生态系统的重要组成部分，它们帮助控制害虫和传粉昆虫。