Pre-op
abbr. preoperation 空转, 试运转; preoperational 试运转的
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
观测所\\n[计] 操作, 运算, 算符
🗣️ 情景例句
He is an impressive man.
他是一个令人难以忘怀的人。
After the play was over,we all wanted to get something to eat.
在戏完了以后，我们都想要吃一些东西。
He made his way through the forest.
他设法穿过了森林。