This flashcard defines 'tonic' as a noun referring to a restorative medicine or a keynote.
This flashcard defines 'tonic' as a noun referring to a restorative medicine or a keynote.
| 单词 | tonic |
|---|---|
| 发音 | ['tɒnɪk] |
| 释义 | n. 补药；主调音或基音 |
| 词序 | 12433 |
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