Dihydropyrrole
[化] 吡咯啉; 二氢化吡咯
🗣️ 情景例句
Clark's Theater.
Clark's剧院。
Would you please hold the door open for me?
可以请你为我把门拉着吗？
Modern industry is based on the conception of the maximum production at lowest cost,
以最低成本获取最多产品，