Ln
abbr. 自然对数（Napierian Logarithm）；液态氮（Liquid Nitrogen）
🗣️ 情景例句
They mean long life. I remember you liked the calligraphy at the Palace Museum.
长命百岁。我记得上次去故宫，你特别喜欢书法。
Do you think you could keep the noise down?
你看能不能小声一些？
In the afternoon, she usually sees her friends.They often drink tea together.
下午，她总是会见她的朋友。她们经常在一起喝茶。