Ln
abbr. 自然对数（Napierian Logarithm）；液态氮（Liquid Nitrogen）
🗣️ 情景例句
Here it is.
在这儿。
How often did I tell you to speak clearly?
我告诉你多少次要讲清楚?
We're going to play football.
我们打算踢足球。