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
What is your regular practice concerning the terms of payment?
你们一般采用什么付款方式？
I had to pay three dollars for my club fee.
我付了三美元给俱乐部
but I lacked for nothing, for he was both father and mother to me.
但我却什么都不缺，他既当父亲又当母亲。