Birds tweet happily.
Meaning: This means that the birds are making happy sounds, usually because they are contented or feeling joyful. It's like saying, The birds are making cheerful sounds because they are happy.
Choice of Words: Birds are flying animals with feathers and beaks, and they often make sounds called tweets. Tweet is the sound that small birds make. Happily means in a joyful or contented manner. When you put them together, "Birds tweet happily" suggests that the birds are making their sounds in a joyful or contented manner.
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Related Expressions