Pre-schoolers
(pre-schooler 的复数) 学龄前儿童
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
🗣️ 情景例句
Don't count on a salary increase this year.
别指望今年会给你加薪。
Excuse me to give you so much trouble.
对不起给你带来这么多麻烦。
Suddenly, they heard a voice behind them.
突然他们听到身后有声音。