The request is set up, but not sent (before you've called send()).

请求已经建立，但是还没有发送（还没有调用 send()）。

youdao

Reads out a header that's already been queued but not sent to the client. Note that the name is case insensitive.

读取已经排列好但尚未发送给客户端的头部信息，注意参数名不区分大小写。

youdao

I sent report after report. But not one word was published.

我寄了一篇又一篇报告，但一个字也没有发表。

《柯林斯英汉双解大词典》

AM radio can be sent over larger distances, but the quality of the sound is not as good as a later kind of radio signal processing, called frequency modulation.

VOA: special.2010.12.08

Amorim said a bailiff was sent with a search warrant to the Brazilian Embassy, but was not let in.

VOA: standard.2009.09.25

But similar funding was not sent to state prosecutors or public defenders to process court cases.

VOA: standard.2009.05.22

According to Orellana, Zelaya should have been arrested and prosecuted but not sent into exile.

CENTERFORSECURITYPOLICY: Humbled by the Honduran people

He volunteered to fight but was not sent to Vietnam.

BBC: Americans wary of Iraq war

The 173rd Airborne has more than 1, 000 troops in northern Iraq, military sources told CNN, but not all have been sent to Kirkuk.

CNN: U.S. reinforcements arrive in Kirkuk