Obtusatic acid
[化] 树花地衣酸
🧩 词语组成解析
🗣️ 情景例句
If you have something you want to talk about,
假如你有什么事情要谈，
Give me a ring at my office.
打电话到我办公室。
If I had been, I would not have been able to get home for lunch. '
如果真戴着它，我现在就不能回家来吃午饭了。”