Word · Frequency #33089
megaphones
扩音器；喇叭筒
megaphones is the plural of megaphone.
核心释义
A portable, funnel-shaped device that is used to amplify a person's voice toward a targeted direction.
- 1.
便携式漏斗形扩音装置,用于定向放大人的声音。
A portable, usually hand-held, funnel-shaped device that is used to amplify a person’s natural voice toward a targeted direction.
- 2.
从樟科植物大叶阿尼巴中提取的细胞毒性新木脂素。
A cytotoxic neolignan obtained from the laurel Aniba megaphylla.
- 3.
一个锥形声学装置,用于放大和引导人声
a cone-shaped acoustic device held to the mouth to intensify and direct the human voice
- 4.
代言人或宣传者；替他人发言或宣传的人。
Mouthpiece or promoter; one who speaks for or publicizes on behalf of another.
代言人；喉舌；巨叶桂新木脂素；便携式漏斗形扩音装置,用于定向放大人的声音。；从樟科植物大叶阿尼巴中提取的细胞毒性新木脂素。；一个锥形声学装置,用于放大和引导人声
用法In use
The coach used a megaphone to shout instructions to the players on the field.
用法提示：名词，作宾语，表示用于放大声音的器具。
Protesters often bring a megaphone to make their chants heard by a large crowd.
用法提示：名词，作宾语，描述其在公共场合的用途。
The guide raised her megaphone and announced the tour schedule for the day.
用法提示：名词，作宾语，伴随动作展现其使用方式。
use a megaphone
He used a megaphone to address the crowd.
他用扩音器向人群讲话。
speak into a megaphone
相关词与表达Connections
易混词Confusing words
- microphone
- 麦克风 · megaphone是手持锥形扩音器，依靠声学放大；microphone是电子设备，将声音转换为电信号。
- loudspeaker
- 扬声器 · megaphone是手持扩音器，定向放大声音；loudspeaker是电子设备，通常固定安装，向四周扩散声音。
词族Word family
- microphone
- 麦克风 · n.
- telephone
- 电话 · n.
学习提示Learner notes
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.