Datum plane
基准面\\n[化] 假设零位面
🧩 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
How did you feel?
感觉怎么样？
Do you have your driver's license?
你有驾驶执照吗？
Maybe my parents will take Dick and me to a few cities in the south.
可能我父母要带迪克和我到南方的几个城市去。