flute length

例句：

1. 1. The flute player needs to tune their instrument to the correct flute length.
   吹奏者需要将乐器调至正确的长笛长度。
2. 2.The music teacher measured the student's flute to ensure it was of the correct flute length.
   音乐老师测量了学生的长笛，确保其长度正确。
3. 3.The flute is a popular instrument that requires precision in tuning and flute length.
   长笛是一种受欢迎的乐器，需要在调音和长笛长度上精确。