jackhammer
名词
UK/ˈdʒækˌhæm.əʳ/
US/ˈdʒækˌhæm.ɚ/
定义 jackhammer 名词
- Countable(可數名詞)
A pneumatic drill, typically used for breaking up hard surfaces like concrete or rock.
風鑽
Construction workers used a jackhammer to remove the old concrete pavement.
建築工人使用破碎機拆除舊的混凝土路面。
The sound of the jackhammer persisted throughout the day in the city center.
破碎機的聲音在市中心持續了一整天。
They had to use a jackhammer to break through the rock formation.
他們不得不使用破碎機來穿透岩石層。