Paroxypropiophenone
对羟基苯丙酮
🗣️ 情景例句
John Marchetta runs this company. John Marchetta
经营这家公司。
Can you do it?
你行不行啊？
Last week, my four-year-old daughter, Sally, was invited to a children's party.
上周，我4岁的女儿萨莉被邀请去参加一个儿童聚会。