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Featured Word B1

shells (noun)

The hard, protective outer layers of various animals such as mollusks, turtles, eggs, or nuts. It can also refer to the external framework of a building or vehicle, or the projectiles used in artillery.

💬 例句

"The shoreline was covered in thousands of tiny white shells after the storm."

💡 记忆技巧

Think of 'S' for Sea, 'H' for Hard, 'E' for Exterior, 'LL' for Layers, 'S' for Surface. Shells are Hard Exterior Layers...

🏛️ 来源

⚠️ 常见错误

Using 'shells' for orange or banana coverings. → Using 'peels'.

Saying 'in a shell' instead of 'in a nutshell'. → Using the full idiom 'in a nutshell'.