Ln
abbr. 自然对数（Napierian Logarithm）；液态氮（Liquid Nitrogen）
🗣️ 情景例句
It was for a good reason.
你今天早走是有原因的。
We can offer a discount in progressive stages according to the size of the order.
根据订购数量的大小，我们可提供累进的折扣。
He told him he had better return it or he would call the police.
告诉他最好把羊交还，否则就去叫警察。