barrier

obstacle, barrier, obstruction, bar, hindrance

名词 barrier:

1. a structure or object that impedes free movement
2. any condition that makes it difficult to make progress or to achieve an objective
   同义词：roadblock
3. anything serving to maintain separation by obstructing vision or access

1. The ice skater rammed into the barrier.
   溜冰者撞到护栏上了。
2. The crowd linked arms to form a barrier.
   群众臂挽著臂组成人墙。
3. The lorry shaved the barrier, scraping its side.
   那辆卡车掠过路障，刮坏了车身。
4. The Sahara Desert is a natural barrier between north and central Africa.
   撒哈拉沙漠是北非与中非之间的天然屏障。
5. Heavy duties on imports and exports are a barrier to international trade.
   进出口的高关税是国际贸易的障碍。
6. The horse took the barrier easily.
   那匹马轻松地越过了障碍。

bar.ri.er

n.（名词）
A structure, such as a fence, built to bar passage.
栅栏，挡板，壁垒，关卡：一种建造物，例如篱笆，用来禁止通行
Something immaterial that obstructs or impedes:
非物质的妨碍或阻碍物：
例句：
Intolerance is a barrier to understanding.See Synonyms at obstacle
偏狭是理解的一大障碍参见 obstacle

Ecology A physical or biological factor that limits the migration, interbreeding, or free movement of individuals or populations.
【生态学】 障碍：物理或生物因素，可以限制迁移、杂交或个体及群体的自由运动
A boundary or limit.
界限或限制
Something that separates or holds apart.
分开物，隔离物：用于分开或隔离的事物
A movable gate that keeps racehorses in line before the start of a race.
起跑屏障：在比赛开始前，使赛马位于线内的可以活动的门
The palisades or fences enclosing the lists of a medieval tournament. Often used in the plural.
高围栏：用来围住中世纪马上比武大赛赛场的木栏或栅栏，常用复数
Geology An ice barrier.
【地质学】 冰障

来源：
Middle English barrer
中古英语 barrer
from Old French barriere
源自 古法语 barriere
from Vulgar Latin *barr3ria
源自 俗拉丁语 *barr3ria
from *barra [bar]
源自 *barra [禁止，阻止]