mastic

• 指乳香黄连木（一种常绿灌木）所产的芳香树脂，也指用这种树脂制成的清漆或胶黏剂，以及用作黏合或填充的膏状水泥。

A noun referring to an aromatic resin from the mastic tree used in varnishes, a pasty cement used as an adhesive or filler, or the evergreen shrub itself.

1. Aromatic tree resinC1formal

   A fragrant resin obtained from the mastic tree, traditionally used in varnishes, chewing gum, and as a flavoring agent.

   乳香

   • The ancient Greeks used mastic as a natural breath freshener.
   • Mastic resin is a key ingredient in some high-quality varnishes.
   • The distinctive flavor of this liqueur comes from mastic.

2. Adhesive or fillerB2formal

   A thick, pasty substance used as a cement, adhesive, or filler in construction and repairs.

   胶泥

   • The plumber applied mastic around the pipe joint to prevent leaks.
   • Use a waterproof mastic to seal the gaps in the bathroom tiles.
   • The carpenter filled the nail holes with wood mastic before painting.

   同义词adhesivecaulkcementfillerputtysealant

3. Mediterranean shrubC1formal

   An evergreen shrub or small tree native to the Mediterranean region, cultivated for its aromatic resin.

   乳香黄连木

   • The mastic shrub thrives in the rocky soils of the Greek islands.
   • Farmers carefully tap the mastic tree to collect its valuable resin.
   • The mastic plant is a characteristic feature of the Mediterranean maquis.

   同义词lentisk