Ln
abbr. 自然对数（Napierian Logarithm）；液态氮（Liquid Nitrogen）
🗣️ 情景例句
If you want to adopt an animal,
如果你想收养动物，
Grasp the nettle and it won't sting you.
困难像弹簧，你硬它就软。
My wife and I are walking along the banks of the river.
我和妻子沿河岸走着。