基本解释[土木建筑工程]无障碍通路英汉例句双语例句A barrier composed of a chain of floating logs enclosing other free-floating logs, typically used to catch floating debris or to obstruct passage.一种由一连串浮木连着别的自由浮木而成的障碍物，特别用于拦截漂浮残骸或阻止通行。barrier-free passage更多例句专业释义土木建筑工程无障碍通路