Ln
abbr. 自然對(duì)數(shù)（Napierian Logarithm）；液態(tài)氮（Liquid Nitrogen）
??? 情景例句
Susan, I understand you're in the toy business. Susan
聽(tīng)說(shuō) ，是在玩具業(yè)工作。
Her husband doesn't think she should continue working after the baby is born.
她的丈夫認(rèn)為女人生了孩子就不應(yīng)該再繼續(xù)出去工作了。
She intends to make teaching her profession.
她想以教書(shū)為職業(yè)。