Pre-install
= preload
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
🗣️ 情景例句
going to the children's ward once or twice a week
每星期就去小儿科病房一、两次
Poverty is apain, but no disgrace.
贫困是痛苦，但不是耻辱。
We're going to help some farmers with their work.
我们打算去帮助一些农民干活。