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单词 air jacket
释义

Definition of air jacket in English:

air jacket

noun
  • 1A jacket having an airtight lining which, when inflated, supports the wearer in water; a life jacket (obsolete).

  • 2A jacket in which air or gas is circulated to reduce loss of heat from an enclosed vessel.

Origin

Mid 18th century; earliest use found in General Magazine Arts & Science.

Definition of air jacket in US English:

air jacket

noun
  • 1A jacket having an airtight lining which, when inflated, supports the wearer in water; a life jacket (obsolete).

  • 2A jacket in which air or gas is circulated to reduce loss of heat from an enclosed vessel.

Origin

Mid 18th century; earliest use found in General Magazine Arts & Science.

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更新时间:2025/6/19 8:46:14