megaphone
🇺🇸
/ˈmeɡəfəʊn/
🇬🇧
/ˈmeɡəfəʊn/
noun
R
A tool that makes your voice louder and can be held in your hand. It's usually used outdoors.
She used a megaphone to make sure everyone in the park could hear the announcement.
她使用了扩音器，以确保公园里的每个人都能听到通告。
translation
扩音器
词形变化
Plural
megaphones