Ln
abbr. 自然对数（Napierian Logarithm）；液态氮（Liquid Nitrogen）
🗣️ 情景例句
Please get me a cup of coffee.
请给我倒一杯咖啡。
He is unworthy to live who lives only for himself.
为己而生，生而可耻。
Thanks. I will.
谢谢。我会的。