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
Good. Thank you. I'll be right down.
好，谢谢你。我马上下来。
David would get up early in the morning to deliver newspaper.
戴维一早起床就去送报纸。
Take a seat please, make yourself at home.
请坐，随便一点。