Ln
abbr. 自然对数（Napierian Logarithm）；液态氮（Liquid Nitrogen）
🗣️ 情景例句
What kind of guarantee do you offer?
这种车有售后服务保证吗？
Every dog has his day.
凡人皆有得意时。
It was revealed that 20% of men in their mid-thirties snore.
调查指出，20%的35岁左右的男人打鼾；