gaslight /ˈɡæsˌlaɪt/ (also gas light)

• 1. 

  N-COUNT A gaslight is a lamp that produces light by burning gas. 燃气灯

• 2. 

  N-UNCOUNT Gaslight is also the light that the lamp produces. 燃气灯光

  例：

  He would show his collection by gaslight.

  他会在燃气灯光下展示他的藏品。