Pre-code
预编码
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
code
[kəud]
n. 行为准则;代码，密码;法典;信号;
vt. 将…译成电码;编码，加密;
vi. 为…编码;指定遗传密码;
🗣️ 情景例句
How long have you known her?
你认识她多久了？
My sister graduated from high school.Graduation was last night.
我的姐姐从高中毕业了.毕业典礼是昨天晚上。
I have a letter of introduction here.
我这儿有一封介绍信。