Red circuit
[计] 热线, 红线路
🧩 词语组成解析
red
[red]
adj. 红色的;（脸）涨红的;烧红的;红头发的;
n. 红色;红衣服;红颜料;红葡萄酒;
🗣️ 情景例句
But I am thinking about myself.
但我就是在为自己着想呀。
What the hell are you doing?
你到底在做什么？
a wave length (the horizontal distance between two wave crests),
波长（两个浪峰间的水平距离）