Double delta connection
[电] 双三角接法
🧩 词语组成解析
double
['dʌbl]
adj. 双的;两倍的;两面派的;双人用的;
vt. 使加倍;把…对折;重复;
vi. 加倍，加倍努力;快步走;
adv. 两倍地;双重地;
n. 两倍;双精度型;
doub二，双+le反复 → 反复两倍 → 翻倍
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
How good is your English?
你英语有多好？
It's already in production, so you can expect it in stores before the end of the month.
产品已投产了，所以月底前你可以获得。
We were out of the part you needed.
你要的那种零件我们没有货了，