Oleanane
[化] 齐墩果烷
🗣️ 情景例句
We had a summer house on Fire Island.
我们在火岛有一所避暑别墅。
I'm afraid you will miss your train.
我怕你会错过火车。
Good morning! What's your name, please?
早上好！请问你叫什么名字？