the flap of an envelope
信封的封盖
viral envelope antigen.
毒病壳膜抗原
amplitude envelope line.
强度包络线
The flap of an envelope.
信封的口盖
the back of an envelope.
信封的背面
asymmetry of AM envelope
调幅咆络不对称性
envelope type agglutination
包被型凝集作用
He bought an airmail envelope.
他买了一个航空信封。
I affixed a stamp to the envelope.
我把邮票贴在信封上。
Baltimore postmark on the envelope.
信封上盖了巴尔的摩邮戳。
He attached a stamp to the envelope.
他在信封上贴了邮票。
The stamp was attached to the envelope.
邮票贴在信封上面。
What was in the envelope? What envelope?
信封里有什么啊 什么信封？
The envelope is addressed to Jack Johnson.
信封上写着杰克。约翰逊先生收。
Alice looked at the envelope for a minute.
艾利斯看了一会儿信封。
Application of Envelope and Soft Packaging
封套软包装的应用
Chinese artistic letter paper and envelope.
仿古信笺信封
Attach a stamp to the envelope and mail it.
把邮票贴在信封上寄出去。
An envelope with stamps and mailing address.
贴足邮票之挂号回邮信封一个。
automatic envelope seal and stamping machine
自动封缄及贴票机
Almost reluctantly, she tore the envelope open.
她几乎是勉强地撕开了信封。
Address an envelope to a friend who lives abroad.
给国外的一位朋友准备一个信封。
Applied Writing Envelope and Business Letter Layout
信封及公函格式
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