Ln
abbr. 自然对数（Napierian Logarithm）；液态氮（Liquid Nitrogen）
🗣️ 情景例句
The government announced its new economic policies.
政府发布了新的经济政策。
I think it's going to be too dry.
我认为天气将会太干。
The third, or main wave,
第三种波，即主波，