“反骨仔”-龟壳里的秘密

• 来源期刊: 英语角
• 学科: 物理学
• 关键词: SHELLS removing ATTACHED
• 年，卷（期）: yyjb_2020,（34）
• 页码范围: 48-49
• 页数: 2页
• 分类号: O34

摘要

As we know,shells help turtles defend themselves against predators111.However,have you ever thought about removing turtles from their shells?Actually,that's impossible.Turtles are completely attached to their shells.Their shells are part of their bone structure[2].