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
Well, remember,
嗯 记住
Well, I think it's time we get back to business.
哦，我认为我们该回到正题上了。
To do this, he must be at least as knowledgeable as the dealer.
要做到这一点，他至少要像古董商一样懂行。