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
I wouldn't be surprised if your son goes to harvard.
我觉得你儿子很有希望上哈佛。
You are better than I am.
你比我好。
Long car journeys are even less pleasant, for it is quite impossible even to read.
乘汽车作长途旅行则更加不舒服，因为连看书都几乎不可能。