loudspeaker 核心詞議：
n. 喇叭，揚(yáng)聲器；擴(kuò)音器
loudspeaker 基本解釋
n. 擴(kuò)音器，揚(yáng)聲器；喇叭；揚(yáng)場(chǎng)器
速記方法
速記技巧
詞源詞根法
比喻用法。loud響亮的+speak說(shuō)話(huà)+-er名詞詞尾
知識(shí)擴(kuò)展
loudspeaker 變化形式
復(fù)數(shù)： loudspeakers
中文詞源：
loudspeaker 擴(kuò)音器，喇叭
比喻用法。
loudspeaker
精選例句
1、 Their names were called over the loudspeaker.
喇叭里叫著他們的名字。
2、 I distinctly heard the loudspeaker calling passengers for the Washington-Miami flight.
我清楚地聽(tīng)到擴(kuò)音器在呼叫由華盛頓飛往邁阿密的旅客。
常見(jiàn)考點(diǎn)例句：
- It is that you can use a loudspeaker to talk to potential targets before deciding whether to attack them .
- 那就是在決定是否攻擊一個(gè)目標(biāo)之前，你可以用擴(kuò)音器對(duì)可能的目標(biāo)進(jìn)行喊話(huà)。
- Not so the acts of vietnam 's red demons , with their nauseating loudspeaker jingles about happiness and light .
- 不像越南紅色惡魔們的行徑，這里總是能聽(tīng)到人們拿著令人惡心的擴(kuò)音器到處宣傳幸福和光明。
- At the office , I find myself increasingly irritated by the loudspeaker that bellows a pre-recorded and irrelevant security announcement whenever I lock my bicycle to the bike racks .
- 在辦公室，我發(fā)現(xiàn)我越來(lái)越受不了那個(gè)擴(kuò)音器，每次我把自行車(chē)鎖到自行車(chē)架上時(shí)，這個(gè)擴(kuò)音器就會(huì)發(fā)出預(yù)先錄制好的、無(wú)關(guān)痛癢的安全告示。
- The associated press news agency reported that an official who tried to read the statement over a loudspeaker to protesters was drowned out by calls for the mayor to step down .
- 據(jù)美聯(lián)社（associatedpress）記者報(bào)道，一名官員試圖通過(guò)擴(kuò)音器宣讀聲明，但聲音很快淹沒(méi)于要求市長(zhǎng)下臺(tái)的呼喊聲中。
- That will send word to local municipalities , which will alert residents by radio or loudspeaker .
- 該系統(tǒng)將向地方各市發(fā)出消息，各市通過(guò)電臺(tái)和喇叭向居民發(fā)出預(yù)警。