Ln
abbr. 自然对数（Napierian Logarithm）；液态氮（Liquid Nitrogen）
🗣️ 情景例句
We didn't catch anything.
我们什么也没有钓着。
I'm not really sure about that. Mr. Jiang should know the answer to that.
关于那事我不敢确定，蒋先生应该知道答案。
Mrs Brown went to see her doctor.
布朗太太去医生那里看病。