Obstacles
n. 障碍（物）( obstacle的复数形式 ); 障碍物; 绊脚石; 障碍栅栏
🗣️ 情景例句
Because the United States is the most important trade partner.
因为美国是我们最重要的贸易伙伴。
She's very well,thank you.
她很好，谢谢您。
They both started to pick them up again.
她们俩开始把散落的糖捡起来。