It spun a cocoon and transformed itself.

Meaning: The caterpillar made a protective covering around itself and changed into a butterfly.

Choice of Words: Spun means to twist fibers together to make thread or yarn. Cocoon is a protective covering that some insects make around themselves before they transform into adults. Transformed means to change in appearance or character. The phrase "spun a cocoon and transformed itself" suggests that the caterpillar made a protective covering around itself and changed into a butterfly.

Alternative Expressions

It made a silk house and changed its shape.

Meaning: This sentence also describes the process of an insect making a cocoon and changing into a different form, but it uses different words to explain the same idea.

Choice of Words: Made means to create or construct something. Silk is a fine, soft thread that some insects, like caterpillars, produce. House is a building where people or animals live. Changed means to become different. When you put them together, "It made a silk house and changed its shape" means that the insect created a house made of silk and changed its appearance.

It wrapped itself in silk and became something new.

Meaning: This sentence describes the process of an insect making a cocoon and changing into a different form, but it focuses on the insect covering itself in silk.

Choice of Words: Wrapped means to cover or enclose something by winding something around it. Silk is a fine, soft thread that some insects, like caterpillars, produce. Became means to change into something different. When you put them together, "It wrapped itself in silk and became something new" means that the insect covered itself in silk and changed into a different form.

Related Expressions