开标的英文：
open sealed tenders
open tender
opening of bid
opening of bids

参考例句：

No bidder shall is permit to alter his bid after the bid have is open.
开标以后，任何投标人都不准再修改投标。

Bid opening date
开标日期

No bidder shall be permitted to alter his bid after the bid has been open.
开标以后,任何投标人都不准再修改投标。

Bid opening: Examination of all bids submitted for a contract. T
开标:审查为争取合同而发来的所有的投标。

Firm bid rule:Principle that a bid is irrevocable for a reasonable time after bid opening.
递实盘规则:即在开标后的合理时间内实盘不可撤消原则。

open是什么意思：
adj. 打开的；开着的；空旷的；可利用的；公开的；坦率的；愿意接受的
n. 旷野，空旷之地；露天，户外；野外
v. 开，打开；睁开；张开；展开；开始；使开张；开业；展现

They are open to temptations.
他们容易受诱惑。

The flowers are opening.
花正在开放。

an open package
未封上的包裹

sealed是什么意思：
adj. 未知的；密封的
v. seal的过去式和过去分词

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。

tenders是什么意思：
n. 投标（书）；供应船
v. 提出，投标；清偿，偿债
adj. 幼弱的，嫩的，温柔的，疼痛的，棘手的

Tender reference links the tender to the project in question.
标书编号将该标书与相关工程联系起来。

The meat cuts very tender.
这肉切起来很嫩。

Did you know it will tenderize meats?
你知道它能使肉变得更嫩吗？