D-usninic acid
[化] 右旋地衣酸
🧩 词语组成解析
🗣️ 情景例句
How's your mental health?
你的精神状态怎么样？
All of those houses have been built in the last ten years.
所有那些房子在这10年里被造的。
You had it when I last saw you.
我上次见你时你还有的。