Pre-kindergarten
幼儿园学龄前的
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
🗣️ 情景例句
My mother passed away.
我母亲去世了。
We invited two guests to dinner,but they didn't come.
我们邀请了2个客人去吃晚饭，但是他们没来。
No, they aren't. They're on the floor.
不，不在。它们在地上。