request("post")是什么意思？这里的post 是不是一个参数呢？

request
KK: []
DJ: []
n.
1. 要求,请求[C][U][(+for)][+to-v][+that]
Mr. Paine made a request that I should help him.
佩恩先生要求我帮助他。
It is my last request. I shall never ask you anything again.
这是我最后的请求。我再也不会向你提任何要求。
2. 请求的事;(电台等的)点播曲[C]
All my requests were granted.
我所请求的事情全都答应了。
3. 需要,需求[U]
vt.
1. 要求,请求;请求给予[(+from/of)][+to-v][O2][+that]
I requested him to come before ten.
我要求他十点以前来。
They requested financial support.
他们要求资助。
Visitors are requested not to touch the exhibits.
参观者被要求不要触摸展示品。

post1
KK: []
DJ: []
n.
1. 【主英】邮政(制度);邮寄[U]
If you could get the book, please send it to me by post.
如果你能弄到那本书,请邮寄给我。
2. 邮件;(一次投递的)邮件[U][S1]
The last post had arrived and there was no letter for her.
最后一批邮件已到,但没有她的信。
3. 【英】邮筒,邮箱[the S]
4. 【英】邮局[the S]
5. (大写)(作名称用)邮报,报纸[S1]
Evening Post
晚报
vt.
1. 邮寄,投寄[O1]
Do you m