Endangered - 濒危, Fascinating - 迷人, Illegal - 非法的, Inhabit - 居住于, Requirement - 要求, Respected - 受人尊敬, Unaware - 浑然不觉, Wildlife - 野生动物, species - 物种, fluttering - 扑腾的, creatures - 生物, a dime - 一毛钱, migrate - 迁移, steadily - 稳步, milkweed - 乳草, biologists - 生物学家,

G3 Unit 6 Week 4 - Butterflies, Big and Small

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