Obstructions
n. 障碍物( obstruction的复数形式 ); 阻碍物; 阻碍; 阻挠
🗣️ 情景例句
Don't mention it.
没事儿。
Tickle-tickle.
咯吱！咯吱！
We had some shoes like those a month ago,but we don't have any now.
一个月前我们有这要的鞋。但是现在没有了。