Datum line
基准线
🧩 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;
line
[laɪn]
n. 线条;排;行列;界线;
vt. 排队;用线标出;沿…排列成行;给…安衬里;
vi. 形成一层;排队;击出平直球;
🗣️ 情景例句
Good.
好极了。
It was not as good as I had expected.
那不如我想象的好。
The Greenwood Boys will be staying for five days.
“绿林少年”准备在此逗留5天。