Opsopyrrole
[化] 3-甲基-4-乙基吡咯
🗣️ 情景例句
She's the apple of my eye.
她是我的至爱。
Friendship cannot stand always on one side.
来而不往非礼也。
By this time, a Lancaster bomber in reasonable condition was rare and worth rescuing.
到了那个时候，状况良好的兰开斯特轰炸机实属罕见，值得抢救。