Bivinyl
n. [化]丁(间)二烯,联乙烯
🔁 扩展释义
【化】 1,3-丁二烯
🗣️ 情景例句
What type of visa have you got?
您持的是哪种签证？
To wait patiently
耐心等待
He suggested that a double railway-tunnel should be built.
他提议建一条双轨隧道，这样就解决了通风问题。