The busy ants marched in a long line.

Meaning: The ants, actively engaged in work, were walking in a straight row.

Choice of Words: Busy means actively engaged in something, marched means to walk with a regular, firm step, and line means a row of people or things.

Alternative Expressions

The ants were marching in a long line.

Meaning: This sentence describes a group of ants moving in a single file, one behind the other, forming a long line.

Choice of Words: The word "ants" refers to the small, social insects that live in colonies. "Marching" means to walk in a steady, orderly line, like soldiers. "Long" describes the line of ants as being extended or stretched out.

Related Expressions