megaphone

名词

1. 1

   扩音器、大声公、喇叭筒

   The coach shouted instructions through a megaphone at the crowded field.

   教练在拥挤的球场上用大声公喊出指令。

2. 2

   发声管道、宣传工具比喻

   The channel became a megaphone for the party's official line.

   该频道成了该党官方立场的宣传工具。