vertical flute

常见例句

Parallel to the vertical flutes in the hobber, as shown in Figure 4.
平行于轴向的滚沟槽，如图4所示。
He played a delightful melody on his flute.
他用笛子吹奏了欢快的曲调。
He took out his flute and played on it.
他拿出笛子吹了起来。
The vertical line meets the horizontal one here.
垂直线与水平线在此相交。
He plays the flute like a professional.
他吹长笛已达到专业人员的水平。
He amused himself by playing the flute.
他吹笛自娱。