1510s, "an interpreter," 1530s in the sense of "person who speaks for another or others." Irregular formation from spoke, past tense of speak (actually a back-formation from spoken) + man (n.). Perhaps on analogy of craftsman. Spokeswoman is from 1650s; spokesperson is from 1972; spokesmodel is attested from 1990.
权威例句
1. The spokesman confirmed that the area was now in rebel hands.
这位发言人证实该地区现已落入叛乱分子手中。
2. A spokesman insisted the two events were "in no way related"
一位发言人坚称这两起事件“绝无关联”。
3. The spokesman said the tone of the letter was very friendly.
发言人说信函的语气非常友好。
4. The spokesman implicitly condemned the United States policy switch.
发言人含蓄地谴责了美国政策上的转变。
5. A spokesman said the British government's position is perfectly clear.