barrier

• 名词，指阻挡移动、进入或进展的障碍物、栅栏或设施。

A noun referring to an obstacle, fence, or structure that prevents movement, access, or progress.

1. Physical obstacleA2formal

   A structure or object that blocks movement or access.

   物理障碍

   • The police erected a barrier to control the crowd.
   • A concrete barrier separates the two lanes of traffic.
   • They placed a barrier across the road to prevent entry.

   同义词barbarricadeblockblockadefencehurdleobstacleobstructionroadblockwall

2. Figurative obstacleB1formal

   Something that prevents progress, communication, or achievement.

   障碍

   • Language can be a barrier to understanding between cultures.
   • Lack of funding is a major barrier to scientific research.
   • Overcoming the barrier of fear is the first step to success.

   同义词barblockblockagedifficultydrawbackhindrancehurdleimpedimentobstacleobstructionsnagstumbling block

   反义词aidassistanceboonencouragementfacilitatorgatewayincentive

3. Trade or economic restrictionB2formalbusiness

   A rule, law, or policy that limits international trade or economic activity.

   贸易壁垒

   • The country removed trade barriers to encourage foreign investment.
   • Tariffs act as a barrier to free trade between nations.
   • New regulations created a barrier for small businesses entering the market.

   同义词embargoquotatarifftrade barrier

   反义词openness