Polyacetylen
聚乙炔; 聚乙炔
🗣️ 情景例句
But your health is more important, Carl. Believe me.
可是你的身体更重要，Carl，相信我的话。
Do you think you can get me to Union Station by quarter after?
你看你能否在一刻前把我送到联合车站？
He noticed that a river of liquid rock was coming towards him.
他发现有一股岩浆正向他流过来，