middle在音响里的意思

middle在音响中的意思是中等音量

例句

1、

Where three roads diverge take the middle branch.

到三岔路口时走中间的道。

2、

The middle button of his uniform jacket was strained over his belly.

制服上装中间的纽扣在他的肚子上绷得紧紧的。

3、

Take a sheet of paper and draw a line down the middle.

拿出一张纸，在中间画一条线。