with obj.
1- remove or obliterate (written or printed matter), especially by drawing a line through it or marking it with a delete sign删除, 划掉（文字）：
the passage was deleted.
这一段被删除了。
1.1
- （一般作be deleted）remove (data) from a computer's memory（从计算机存储器中）删除（数据）。
1.2
be deleted
Genetics (of a section of genetic code, or its product) be lost or excised from a nucleic acid or protein sequence【遗传】使（基因码段）缺失, 删除（基因码段或及产物）：if one important gene is deleted from an animal's DNA, other genes can stand in.
要是从动物脱氧核糖核酸中删除了一个重要的基因, 其他基因就会进行代替。
1.3
- remove (a product, especially a recording) from the catalogue of those available for purchase（从购物目录中）删除（产品, 尤指音像产品）：
their EMI release has already been deleted.
他们在百代唱片公司录制的唱片已停止发售了。
- a command or key on a computer which erases text（电脑的）删除命令; 删除键。
词源
late Middle English （in the sense 'destroy'）： from Latin delet- 'blotted out， effaced'， from the verb delere.