moment是一个英语单词，名词，意为片刻;瞬间;准确时刻;正是时候;时机;机遇;时光;做某事的时刻。
同义词辨析
instant n. 片刻，刹那
指极短的时间，如转瞬即逝的刹那间，通常用单数。
Please hold on! She will be back in an instant.
请别挂断电话！她马上回来。
The instant I saw him, I knew he was the policeman who had helped me carry the box.
我一看见他便认出他就是那个曾经帮我搬过箱子的**。
moment n. 片刻
指很短的一段时间，多用于日常口语。
Can you spare a few moments to fill out this questionnaire?
你能抽点时间填写这个问卷调查吗？
He will come back to see you in a moment.
他马上会回来见你的。
second n. 一会儿，片刻
指极为短暂的一段时间，常可与 moment 换用。
Don't worry, and he'll be back in a second/moment.
别担心，他一会儿就回来。
Just a second/moment, the reporter will come to interview you.
稍等片刻，那名记者马上会过来采访你。
双语例句
In a moment he was gone
一转眼他就不见了。
At this moment a car stopped at the house
就在这时，一辆轿车在房前停下了。
They ran the risk of being shot at any moment
他们冒着随时会中弹的危险。
At the moment, no one is talking to me
此刻没人跟我说话。
I don't for a moment think there'll be a porce.
我从来没想过将来会离婚。
For the moment, however, the government is happy to live with it.
不过目前***对此还乐于容忍。
The film has its moments
这部电影有其吸引人之处。
They changed their minds at the last moment and refused to go.
他们在最后一刻改变主意，决定不去了。
The next moment there was an almighty crash
接着发生了剧烈的撞击。