基本解释[土木建築工程]無障礙通路英汉例句雙語例句A barrier composed of a chain of floating logs enclosing other free-floating logs, typically used to catch floating debris or to obstruct passage.一種由一連串浮木連著別的自由浮木而成的障礙物，特別用於攔截漂浮殘骸或阻止通行。barrier-free passage更多例句专业释义土木建築工程無障礙通路