Pre-install
= preload
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
🗣️ 情景例句
Oh yes.
噢， 好啊。
The two parties involved in a contract have the obligation to execute the contract.
合同双方有义务履行合同。
They invariably lie nearby and are always available for an informal chat or an evening's entertainment.
因为他们都住在附近，你随时可以同他们聊天或在晚上一起娱乐。