Datum setting
[计] 基准线确定
🧩 词语组成解析
datum
['detəm]
n. 数据，资料;[测]基点，基线，基面;论据，作为论据的事实;[数]已知数;
🗣️ 情景例句
it's going to be too late when I do remember.
等我想起来时已经太晚了。
I don't know what to do with you.
真拿你没办法。
A woman saw it happen when she was walking past.
一位妇女走过的时候，看到我的钢笔掉了。