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
Hello, I'm glad to meet you. I've heard so much about you.
你好， 很高兴见到你。 久仰， 久仰。
Goodness, I do hope this isn't a loud gun. I hate noise.
但愿这不是一把会发出巨响的手枪。俺不喜欢噪音。
Is there anything the matter?
出了什么事吗？