名詞 heavy metal:

1. a metal of relatively high density (specific gravity greater than about 5) or of high relative atomic weight (especially one that is poisonous like mercury or lead)
2. loud and harsh sounding rock music with a strong beat; lyrics usually involve violent or fantastic imagery

1. A heavy metal body, especially the head of a power hammer.
   錘頭一種重的金屬體，特指汽錘或打樁機的錘頭
2. A very heavy metal bar used by firefighters and law enforcement officers to break down walls and doors.
   破墻槌一種非常沉重的金屬槌，是救火人員和執(zhí)法官員用來搗破墻和門而用的
3. Lead is a heavy metal.
   鉛是重金屬。