n.說話者；發(fā)言者；說某種語言者；揚聲器

The speaker was boring everybody. 說話者令每個人生厭。

These gestures are extremely important as they virtually negate what the speaker says. 這些肢體動作極其重要，因為它們幾乎否定掉說話者所說的話。

I call on Mr. Oates, the first speaker on my list. 現(xiàn)在請名單上第一位發(fā)言者奧茨先生講話。

The left-hand speaker doesn't seem to be working. 左手的揚聲器看樣子失靈了。

The speaker volume is not turned up or is muted. 揚聲器音量沒打開或靜音。

n.揚聲器；喇叭

n.說話者；發(fā)言者；說某種語言者；揚聲器（名詞speaker的復(fù)數(shù)形式）

揚聲器

n.擴音機

n.喇叭擴音器