| 1. | Strings play gentle ostinatos, tremolos and wavy, measured trills.
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| 2. | A vocal trill is equated with a thrill and an embrace.
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| 3. | The first notes come from the male in a melodious trill.
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| 4. | Impressed, he asked her if she could do a trill.
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| 5. | Nokia users can choose from a selection of 38 bird trills.
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| 6. | A bird, when flushed, will utter a sharp trill.
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| 7. | The animals purr a relaxing trill that the crew find soothing.
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| 8. | Depending on stress, may be a flap or a trill.
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| 9. | Long consonants are written with double letters; is a trill.
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| 10. | However, analyzing the sounds as trills may be more economical.
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