obstructions
/əbst'rʌkʃnz/
中文翻译
n. 障碍物( obstruction的复数形式 ); 阻碍物; 阻碍; 阻挠
英文解释
n. any structure that makes progress difficult
n. the physical condition of blocking or filling a passage with an obstruction
n. something immaterial that stands in the way and must be circumvented or surmounted
词态变化
原型:obstruction
变形:s