盖章的英文：
affix a seal (to sth)

参考例句：

The share certificate is signed by the chairman of the board of directors and sealed by the company.
股票由董事长签名，公司盖章。

The agreement has been signed and sealed.
协议已经签字盖章。

They didn't stamp my passport.
我的护照上没盖章.

The treaty was signed and sealed by both governments.
条约已经两国政府签字盖章。

The ticket has to be stamped by the airline to validate it.
须经航空公司盖章，该机票才能生效。

Signature of Applicant Signature & Chop of Undertaker/Funeral Parlour
申请人签署:殓葬商/殡仪馆*签署及盖章

The ticket has to be stamped by the airline to validate it.
须经航空公司盖章，该机票才能生效。

You must seal the document with the king's insignia.
你应该在带有国王印记的文件上盖章。

Please sign the acknowledgement of receipt.
请您在送达回证上签名盖章。

The marshal shall enter the details of the execution in a record which shall be signed or sealed by those present.
执行员应当将强制执行情况记入笔录，由在场人签名或者盖章。

affix是什么意思：
v. 贴上；把...固定，添上，附上
n. 附加物，添加物，词缀

What is affixation, conversion and compounding?
什么是词缀法、 转化法和合成法？

Affix a warning sticker in the vehicle.
请在汽车上贴上一条警告标签。

A board to which is affixed the circuitry of a microprocessor.
放置微处理机电路的一种(插件)板。

seal是什么意思：
n. 海豹；图案，印章；封印；保证，誓约；标志，象征
v. 保证；密封；确定；盖章；密封

A stamp or seal meant to be impressed.
图章用来盖戳的图章或印章

The experience seals their friendship.
这一经历确定了他们的友谊。

Sealing is prohibited in many countries.
许多国家禁止捕海豹。

sth是什么意思：
abbr. something的缩略词

average sth out(at sth);calculate the average of sth
算出某事物的平均数

be agreeable to sth
欣然同意某事

at/on the altar of sth
因为，为了（值得为之受苦的事）