一次如果

only if───只要……就；只是在……的时候；只有

fence in───用栅栅围起来

conceit───n.自负；狂妄；幻想；vt.幻想

oncer───n.每周上一次教堂的人；（对尽义务的事）只做一次的人

oncers───n.每周上一次教堂的人；（对尽义务的事）只做一次的人

conceding───v.弃权让步（concede的ing形式）

fence off───栅栏隔开

You asked me once if the soul could be in two places at once.───你曾经问我灵魂能不能同时身处两个地方。

We'll make delivery at once if I receive your order.───收到定单后，我们将马上交货。

Communicate in some way every day, more than once if possible.───每天都交流。并且尽可能的多些吧。

I will probably wear socks with sandals at least once. If it bothers you, I'll make sure not to tell people I'm your roommate.───我可能会连着袜子穿凉鞋，起码穿一次，你要是介意的话，我保证不告诉别人我们俩的室友关系。

Life is only once, if you can, I really want to head once more, but life is only once, I also want to, like the sing no tomorrow.───人生只有一次，如果可以，我真的很想从头再唱一次，可是人生只有一次，我也想，就像没有明天般的唱下去。

Yeah, I won all that tournaments at least once if not several times.───是的，我已经至少在那些锦标赛中获得一次冠军了。

Very good version of the cross-action pass game, but can only try once, if the fun on the other procedures need not be so quick exit.───非常不错的横版动作过关游戏，不过只可以试玩一次，如果好玩就别退出程序那么快。

You may be sure that we will get in touch with you at once if an opening occurs due to a staff expansion OR a resignation.───一旦我公司扩大职工队伍或有人提出辞职，我们将立即与您联系。

These days it is possible to drive, eat, listen to a book and talk on the phone -- all at once, if you dare.───如今，完全可能做到边开车边吃东西边听录音书籍边打电话--要是你敢这么做。

We must furnish our spare room at once if this sort of thing is to happen often.

Links in PDF could be simplified and "tied" to addressbook entries so each client could see all open orders at once if they click the link in the PDF.

Inform me at once if there are any changes in her condition.

Once, if your bra size was deeper into the alphabet than 'C, ' you couldn't expect much style in your bra. Busty women were presented with sturdy 'grandma'-looking contraptions.

I was asked once if it seemed real to me that one day I would be lifeless inside it.