Delta system
[电] 角接系统
🧩 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
No one should think that their own culture is superior.
任何人都不应该有文化优越感。
I'd appreciate your kind consideration in the coming negotiation.
洽谈中请你们多加关照。
His previous attempts had been unsuccessful.
他以前的尝试没有成功。