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
Ask me another question.
别问我这个。
Some students quit school due to poverty.
一些学生因贫困而辍学。
But the claim made by a local authority to recover the cost of salvaging a sunken pie dish must surely be unique.
但某地当局为打捞一只焙制馅饼的盘子提出索赔，倒是件新鲜的事儿。