envelope ['envələup] 名词
微软	sobre (Header and footer information, or header information only, which encapsulates or precedes document data for transport)
英语 词库
envelope ['envələup] 名词
军队, 缩写	env
医疗的	The outer coat of HIV, made up of two layers of lipids fatty molecules. HIV uses specific proteins embedded in its envelope to enter host cells.

envelope : 5 短语, 2 学科

微软	3
数学	2