메뉴, 버튼, 안내 문구에 적용돼요.학습 콘텐츠는 영어로 유지돼요.
/ˈbʌn.dl̩ ʌv ˈɛn.əɹ.d͡ʒi/
a person who is extremely lively and active
“The puppy was a bundle of energy all day.”