Tra từ jackhammer - Từ điển Oxford Advanced Learner 8th

Từ điển Oxford Advanced Learner 8th

jackhammer jack·ham·mer [jackhammer jackhammers] BrE [ˈdʒækhæmə(r)] NAmE [ˈdʒækhæmər] (NAmE) (BrE pneuˌmatic ˈdrill) noun a large powerful tool, worked by air pressure, used especially for breaking up road surfaces See also: ↑pneumatic drill
▼ Từ liên quan / Related words Từ đồng nghĩa / Synonyms: air hammer pneumatic hammer