可數(shù)名詞：
1.障礙物，柵欄，關(guān)卡
2.（阻止或妨礙人們做事的）障礙（如規(guī)則、問題等）
3.屏障 英語解釋

a structure or object that impedes free movement

any condition that makes it difficult to make progress or to achieve an objective

anything serving to maintain separation by obstructing vision or access

arming barrier 槍炮彈藥保險器

barrier curb 欄式緣石

barrier film 阻擋膜

barrier flat 堰洲坪

barrier penetration 勢壘穿透

barrier spring 斷層泉

collector barrier 集電極位壘

fault barrier 斷層遮擋

pght barrier 擋光板，光勢壘

intercrystalpne barrier 晶間勢壘

Barrier 網(wǎng)區(qū)

barrier n.[C]1.障礙物，柵欄，關(guān)卡2.（阻止或妨礙人們做事的）障礙（如規(guī)則、問題等）3.屏障

barrier free 無障礙