Jackhammer
01
잭해머, 콘크리트 파쇄기
a heavy-duty pneumatic or electric tool that uses rapid hammering or reciprocating motion to break up or demolish concrete, pavement, or other hard surfaces
예시들
He had to wear ear protection because the jackhammer was so noisy.
그는 잭해머가 너무 시끄러워서 귀 보호 장비를 착용해야 했습니다.
어휘 나무
jackhammer
jack
hammer
