名词

1. 发言人;演讲者;演说家
A speaker at a meeting, conference, or other gathering is a person who is making a speech or giving a talk.

2. 讲某种语言的人
A speaker of a particular language is a person who speaks it, especially one who speaks it as their first language.

3. (议会或立法机构的)议长
In the parliament or legislature of many countries, the Speaker is the person who is in charge of meetings.

4. 说话人
A speaker is a person who is speaking.

5. 扬声器;喇叭
A speaker is a piece of electrical equipment, for example part of a radio or set of equipment for playing CDs or tapes, through which sound comes out.

1. electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance

Synonym: loudspeakerspeaker unitloudspeaker systemspeaker system

2. someone who expresses in language
someone who talks (especially someone who delivers a public speech or someone especially garrulous)

e.g. the speaker at commencement
an utterer of useful maxims

Synonym: talkeruttererverbalizerverbaliser