Mrl
abbr. 最大残留限量（Maximum Residue Limit）；医疗档案室（medical record library）
🗣️ 情景例句
It's my private affair.
这是我私人的事。
He who touches pitch will be difiled.
近墨者黑
I'll go to that shop and see if they have a telephone.
我去那个商店，看看是否有电话。