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
He was very helpful to me, remember?
他帮过我大忙， 记得吗？
He looks gay.
他神气活现。
Then Von Frisch moved the dish to the east of the hive and waited for a marked bee to feed.
然后，冯·弗里施把碟子移到蜂箱的西边，等待有标记的蜜蜂来吃。