Icosane
二十碳烷
🗣️ 情景例句
Take it easy, sir. I'll need your name, in full, and what's happened.
别着急，给我你的全名和事情的情况。
Have you somewhat to do tomorrow,do it today.
明天如有事，今天就去做。
Where do the twins sit?
双胞胎坐在哪里？