Out of the plastic stereo headsets you can hear a little hum of prerecorded music.

劣质的塑料耳机还在哼着航空公司预先录制的曲子。

youdao

Out of the plastic stereo headsets you can hear a little hum of prerecorded music.

劣质的塑料耳机还在哼着航空公司预先录制的曲子。

youdao