Polyene
n. 聚烯\\n[化] 多烯; 多烯烃
🗣️ 情景例句
She was in love with Donald McGrath,
她爱上了Donald McGrath，
Is it raining now?
现在正在下雨吗？
Why isn't Mrs. Lee's cat catching the mice?
李太太的猫为何不在抓这些老鼠呢？