赞，补充一个，英语英语里面，四分音符也叫 crotchet 八分音符也叫 quaver，看 TwoSetVolin 的视频经常听他们这么说

https://www.bbc.co.uk/bitesize/guides/zs9wk2p/revision/2

A semibreve lasts for four crotchet beats.
A minim lasts for two crotchet beats.
A quaver lasts for half a crotchet beat - so there are two to the time of a crotchet.
A semiquaver lasts for a quarter of a crotchet beat - so there are four to the time of a crotchet.

【 在 zhl9100 的大作中提到: 】
: 音名/pitch names  唱名/syllable names 时长duration（一般称为音符时值。不常用，不确定）音高/pitch 八分音符/eighth note 四分音符/quarter note 休止符/rest 拍号/time signature
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