How do you produce this kind of tone and vibrato?
你是怎样发出这种音调和振音的？
These templates are in a very short length of the vibrato effect.
这些模板在短时长的颤音中很有效。
When not playing vibrato, use the palm of your right hand to work the key.
（当不演奏（手）振音时，用你的右手手掌操作钥匙（推杆）。 ）
The violinists think so much about how you use vibrato, how to learn vibrato.
小提琴演奏者会花很大精力去考虑如何使用颤音，如何学习颤音。
The violinists think so much about how you use vibrato, how to learn vibrato.
小提琴演奏者会花很大精力去考虑如何使用颤音，如何学习颤音。
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