单语范例（未经PONS编辑处理）
The vacuum bottle included in them, however, steadily evolved during the course of the decade and into the 1970s.
en.wikipedia.org The fluid is drained by gravity, a syringe or by connection to a vacuum bottle.
en.wikipedia.org What was originally a steel vacuum bottle with glass liner, cork or rubber stopper, and bakelite cup became an all-plastic bottle, with insulated foam rather than vacuum.
en.wikipedia.org It had no vacuum bottle, but did have a handle.
en.wikipedia.org During this work he discovered that a welding process he was using could be used to insulate a vacuum bottle with steel instead of glass.
en.wikipedia.org