obstructions的翻译，读音
英/əbst'rʌkʃnz/
释义：
n. 障碍物( obstruction的复数形式 ); 阻碍物; 阻碍; 阻挠
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
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