n.

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

"the speaker at commencement"

同義詞：talkeruttererverbalizerverbaliser

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

同義詞：loudspeakerspeaker unitloudspeaker systemspeaker system

the presiding officer of a deliberative assembly

Lexical access aphasic and non-aphasic speakers
Lexical access in aphasic and nonaphasic speakers.
Lexical access in aphasics and nonaphasic speakers
Conversational Organisation: Interaction Between Speakers
Conversational Organization: Interaction Between Speakers and Hearers
Linguistic and Conversational Adjustments to Non-Native Speakers
Does language shape thought? Mandarin and English speakers' conceptions of time.
Glottal airflow and transglottal air pressure measurements for male and female speakers in soft, normal, and loud voice
Teaching Pronunciation: A Reference for Teachers of English to Speakers of Other Languages. Marianne Celce-Murcia, Donna M. Brinton,...
Erratum: ‘‘Glottal airflow and transglottal air pressure measurements for male and female speakers in soft, normal, and loud voice...