Oleanane
[化] 齐墩果烷
🗣️ 情景例句
She's having a baby?
她怀孕了吗？
This is the book that I promised to lend you.
这就是我答应借给你的那本书。
Look at the rain! It's heavy, isn't it?
瞧这雨！下这么大，是吧？