Obstructions
n. 障碍物( obstruction的复数形式 ); 阻碍物; 阻碍; 阻挠
🗣️ 情景例句
How soon will my mail be received by the other end?
我的信件多快能被对方收到？
I'm going to buy three yards.
我要买给她三码。
There are some changes the still have to be made.
有些地方还得修订。