| 释义 |
verb | noun trilltrill1 /trɪl/ verb [intransitive, transitive] VERB TABLEtrill |
| Present | I, you, we, they | trill | | he, she, it | trills | | Past | I, you, he, she, it, we, they | trilled | | Present perfect | I, you, we, they | have trilled | | he, she, it | has trilled | | Past perfect | I, you, he, she, it, we, they | had trilled | | Future | I, you, he, she, it, we, they | will trill | | Future perfect | I, you, he, she, it, we, they | will have trilled |
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| Present | I | am trilling | | he, she, it | is trilling | | you, we, they | are trilling | | Past | I, he, she, it | was trilling | | you, we, they | were trilling | | Present perfect | I, you, we, they | have been trilling | | he, she, it | has been trilling | | Past perfect | I, you, he, she, it, we, they | had been trilling | | Future | I, you, he, she, it, we, they | will be trilling | | Future perfect | I, you, he, she, it, we, they | will have been trilling |
verb | noun trilltrill2 noun [countable] ETYMOLOGYtrill2Origin: 1600-1700 Italian trillo, from trillare to trill, probably from Dutch trillen to shake very quickly 1eng. lang. arts a musical sound made by quickly going up and down several times between two notes a half step apart2science, biology a sound like a trill, especially one made by a bird3eng. lang. arts a speech sound produced by quickly moving the end of your tongue against the top part of your mouth when you pronounce the sound /r/ |