Constitute an obstacle
构成障碍
🧩 词语组成解析
an
[æn]
art. 一（在元音字母前代替不定代词a）;一任一某一;一个;
🗣️ 情景例句
Well, I care about the children of our town.
噢， 我关心我们镇上的孩子们。
Is that Mr.Shen?
沈先生吗？
A cat's ability to survive falls is based on fact.
猫在跌落时能够大难不死是有事实作为依据的。