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
I'm dependent on caffeine.
我对咖啡因上瘾。
All the figures tally with the projected total.
合计和预算的总额一致。
This is a kind of printing that blind people can read by touching groups of raised points that are printed on paper.
布莱叶盲文是一种印刷字体，盲人通过摸印在纸上起的点点来读书。