Delta attribute
[计] δ属性, 增量属性
🧩 词语组成解析
delta
['deltə]
n. 希腊语字母表第四字母δ;（河流的）三角洲;[数]变量增量;
🗣️ 情景例句
My professor will grade this exam on a curve.
我的教授用曲线系统打分。
This stain is really stubborn.
这污垢去不掉。
Yes, of course. It's very easy.
那当然。煮它（豆腐）并不难。