两位发言者站在讲台上。

Two ___speakers stand at the podiums.

这些法语母语者可以帮助我们练习发音。

These native ___speakers of French can help us practice pronunciation.

这些无线音箱的音质非常好。

These wireless ___speakers have excellent sound quality.

体育馆的广播系统出了故障，扬声器没有声音。

The ___speakers in the gym's sound system aren't working.