当场，立即：指在特定的时间或地点立即进行某项行动或采取某种决策。
现场，现场的：指发生在特定地点或场合的事情。
立即，马上：指立即或马上进行某项行动。
at the scene of action
同义词： on-the-spot(a) / on-the-scene(a)
without delay or immediately
in a difficult situation
at the place in question; there
当场-引用次数：24
It analyses deeply on the spot about transforming robbery of special place.
对特殊场所的转化型抢劫罪的“当场”进行深入分析研究。
... on the shore(s) 在岸上 on the spot 当场；到场 on the way (to) 在 ...
... not yet尚未(到目前为止某事没有发生) on the spot在现场,当场;立即 so far迄今为止;到目前为止 ...
... on the side作为兼职，作为副业，正事以外 on the spot在场，到场；马上，当场 on the whole总的来说，大体上 ...
立刻，当场；在危险中；处于负责地位
Quotes and estimates can be prepared by computer on the spot.
报价和估价可以当场用电脑做出来。
He answered the question on the spot.
他当场就回答了那个问题。
Running on the spot is good exercise.
原地跑步是一种很好的锻炼。
The observers on the ground had no reason to believe the white spot they saw was made by the spacecraft.
VOA : special.2009.07.22
The Athenians gave him a public funeral on the spot where he fell and paid him the highest honors.
雅典人在他的战死之地举行了国民葬礼,并给了他至高无上的荣誉
古希腊历史简介课程节选 : 耶鲁公开课
Well, so now you are putting me on the spot.
好吧，所以现在你开始为难我了。
SpeakingMax英语口语达人 : 演艺人居住的街区
He captured images of the spot and studied a picture that he had taken earlier of the same area on Jupiter.
VOA : special.2009.08.25
The cloud was the white spot the observers in Houston had seen on their television.
VOA : special.2009.07.22
And Chinese steel mills have been forced to make purchases on the spot market.
Harrell pays cash on the spot for folks willing to hand over their gold.
Decisions are often made on the spot, and there is little margin for error.
WSJ: The Ladies Behind Moda Operandi | WSJ. Magazine May 2013