Arcing contacts
[电] 弧接触
🧩 词语组成解析
[机] 电弧作用
n. 联系人；联络方式；触体（contact的复数形式）
🗣️ 情景例句
Michelle knows all about it.
Michelle已经全知道了。
Yes, I worked from early morning until late at night.
是,我从清早工作直到半夜。
Only five years?
仅仅5 年？