Hexylene
己烯
🗣️ 情景例句
Where do you usually spend your weekends?
你通常在哪度过你的周末？
Today, they will introduce to you our newly built plant and research center.
今天，他们将会向您介绍我们新落成的工厂和研究中心。
How do you like your new job?
你觉得你的新工作怎样？