demonstrator
US /ˈdem.ən.streɪ.t̬ɚ/
UK /ˈdem.ən.streɪ.t̬ɚ/
名詞
1.
示威者
a person who explains how something works or how to do something:
範例:
•
A demonstrator was showing customers how the food processor worked.
在 Lingoland 學習這個單詞
示威者
a person who explains how something works or how to do something: