Tails help balance.
Meaning: This means that the tails of birds help them maintain their balance, especially during flight. It's like saying, Bird tails assist in maintaining stability.
Choice of Words: Tails are the long, thin, back parts of animals. Help is a verb that means to make it easier for someone to do something. Here, balance is a noun that refers to the ability to stay upright and steady.
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Related Expressions