if once信息详情
一经
一旦
once if───一次如果
if meet once───如果只见面一次
if i once───如果我有一次
once───conj.一旦；adv.一次；曾经；n.一次，一回
once just once───一次就一次
once once more───再来一次
if───n.条件，设想；不确定的情况；conj.（表条件）如果；（表假设）要是，假如；无论何时；虽然，即使；（用于间接疑问）是否；（用于礼貌问询）是否；当，每次；（与情态动词连用）表婉转客气；这不是……，要是……多好；或许不；就算；尽管
was once───曾经
a once───一次
However, what if once having launched the service, it turned out to be a hit with users, and traffic begins to overwhelm our server?───但是，如果启动了该服务，它是否会与用户产生冲突，且开始出现淹没我们的服务器的流量？
she once decides to do something, you won't change her mind.───她一旦决定干什么，谁也改变不了她的主意。
if once it was believed that the camera never lied, PhotoShop should have taught that the lens bends the truth as effortlessly as it bends light itself.───一旦人们相信照相机不会撒谎，PhotoShop将会告诉人们，透镜可以如同它弯曲光线一样轻易地歪曲事实。
Thy silent pride is always counter to their taste; they rejoice if once thou be humble enough to be frivolous.───你的沉默的高傲总是触忤他们的趣味：当你偶然谦卑得近乎轻佻时，他们便喜欢起来。
Blacks began to grumble and feel threatened; they wondered if once again they were about to be passed over by those who'd just arrived.───黑人开始抱怨，并且感到受到威胁，他们想知道是否他们会又一次地被人所忽略，而且是被刚刚来美国的新移民。
If once a week you spend 100 in sand beach club and county club, during your whole life, it will cost you million dollars.───如果每周去一次沙滩俱乐部，乡村俱乐部，以100元计，也已百万；
I if once more adore he . I be about to punish oneself .───如果一旦更多的崇拜他。我约来惩罚自己。
But if once more asked to give reasons why I love her, I guess I'd still say because she's so good.───但是，如果更加要求给原因为什么我爱她，我猜测我会说，因为她是很好。
If once Odysseus got home those evil men would have a short shrift and a bitter end.
If once we really felt the responsibility of our own actions, how quickly we could bring to an end all these wars, this appalling misery!
After they lost their first two matches those fans must have wondered if once again Leeds were going to flatter to deceive.
If once we are aware of this total process, then self-fulfilment in any direction, at any level, has no significance at all.