megaphone

n.

扩音器；

复数：megaphones

1. He often speaks in public with a megaphone.
   他常用扩音器当着大众演说。
2. The mayor addressed the stirred crowd with a megaphone.
   市长用扩音器向激动的群众讲话。
3. The conference hall was installed with radio set and megaphone.
   会场里设置了收音机和扩音器。

Megaphone
Megaphone
Megaphone
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Preparation of d,l -megaphone intermediates
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Megaphone Effect: Taste and Audience in Fashion Blogging | Journal of Consumer Research | Oxford Academic
Intelligibility at High Voice Levels and the Use of a Megaphone
Mirror or Megaphone?: How relationships between narcissism and social networking site use differ on Facebook and Twitter
ChemInform Abstract: ENANTIOSPECIFIC TOTAL SYNTHESIS OF (-)-MEGAPHONE BY A HIGHLY CONTROLLED CONSECUTIVE 1,4- AND 1,3-ASYMMETRIC IND...