Pentadecalactone
[建] 十五酸内酯
🗣️ 情景例句
Are you new in town?
你是新来本地的吗？
Please lend an ear to this man's important news.
请注意倾听有关这个男人的重大新闻。
The bull was busy with the matador at the time,
当时那公牛正忙于对付斗牛士，