Valeranone
缬草烷酮
🗣️ 情景例句
Good morning. My name is Richard Stewart.
早安。我叫Richard Stewart。
The restaurant was full, so we decided to go somewhere else.
那餐厅客满了，我们决定到其他的地方去。
A short while ago, my sister helped me to carry one of my old bookcases up the stairs.
几分钟前，我妹妹帮我把一个旧书橱抬上了楼。