Datum vertex
[计] 参考顶点
🧩 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;
vertex
['vɝtɛks]
n. 最高点;顶点;<数>（三角形、圆锥体等与底相对的）顶;（三角形、多边形等的）角的顶点;
🗣️ 情景例句
You don't need to do that.
你不用那么做的。
I'm sick and tired of having to take care of your brother just because he refuses to go out and find a job.
只是因为你弟弟不肯出去找工作就得我来照顾他，这真让我烦透了。
It would represent quite a savings.
这省下的可是一笔不少的钱哩。