Any of several caterpillars that injure fruit trees by feeding on their leaves, especially the small green caterpillar of the North American moth Dichomeris ligulella.是什么意思_Any of several caterpillars that injure fruit trees by feeding on their leaves, especially the small green caterpillar of the North American moth Dichomeris ligulella.在线翻译_英语_读音_用法_例句