speakerphone
「speakerphone」的意思
n. 扬声电话（内置麦克风和扬声器，使用时无须拿起听筒）
n.喇叭扩音器
「speakerphone」的用法
speakerphone扩音器，扬声器电话 - 在会议或公共场合使用，以便所有人都能听到通话内容。
「speakerphone」的例句
We need to use the speakerphone in the meeting.
我们在会议中需要使用扩音器。
She used the speakerphone to make sure everyone could hear her.
她使用扩音器确保所有人都能听到她。
The speakerphone was very helpful during the presentation.
在演示过程中，扩音器非常有用。
We can use the speakerphone to talk to people in another room.
我们可以使用扩音器与另一个房间的人交谈。
The speakerphone was broken, so we had to use a regular phone.
扩音器坏了，所以我们不得不使用普通电话。
He set up the speakerphone before the phone call.
他在电话前设置了扩音器。
The speakerphone was very loud, so we had to turn it down.
扩音器声音太大，所以我们不得不调低音量。
We used the speakerphone to hold a conference call with remote participants.
我们使用扩音器与远程参与者进行会议电话。
She asked if anyone needed help using the speakerphone during the meeting.
她在会议上问是否有人需要帮助使用扩音器。
The speakerphone was very useful for our online class.
对于我们在线课程来说，扩音器非常有用。