Infrastructures
n. 基础设施( infrastructure的复数形式 ); 基础结构; 行政机构; 秘密机构
🗣️ 情景例句
There are four of us including my parents, a younger sister and me.
有四口人，父母亲、妹妹和我。
My father is vacationing in the north.
我父亲正在北方度假。
Yes, it's mine.
对，是我的。