octave

• 多义词：音乐上指相隔八个音级的音程；文学上指由八行组成的诗节；也指八天的时间，尤指节日当天及其后一周。

A noun with multiple meanings: a musical interval spanning eight diatonic degrees; a group of eight lines of verse; or a period of eight days, especially a feast day and the week following it.

1. B2formal

   A musical interval spanning eight diatonic degrees, where the higher note has twice the frequency of the lower note.

   八度

   • The singer's voice spanned a full octave.
   • The piano keys are arranged in repeating octaves.
   • He practiced playing scales across two octaves.

   同义词diapasoneighth

2. Liturgical periodC1formal

   A period of eight days, including a feast day and the seven days following it, observed in some Christian traditions.

   八日庆期

   • The octave of Easter is celebrated with special services.
   • During the octave of Christmas, many churches hold additional masses.
   • The feast day and its octave are considered a single celebration.

3. Poetic stanzaC1formal

   A group of eight lines of verse, often forming a stanza or a complete poem.

   八行诗

   • The sonnet's first octave introduces the main theme.
   • He wrote an octave in iambic pentameter.
   • The poem consists of three octaves and a final couplet.

   同义词octet