President Roosevelt wrote back at once, saying, "Dear friend, thank you for your letter to comfort me."
罗斯福总统立即回信说：“亲爱的朋友，谢谢你写信安慰我。”
He didn't have enough time. He couldn't come back at once.
他时间不够了，不能马上回来。
In the university life is wonderful memories of my life, I did not forget staring back at once years ahead of time.
在大学生活中是我人生美好的回忆，我迈步向前的时候不会忘记回首凝望曾经的岁月。
But I got a fax from our head office saying that there is something happened over there, so I have to go back at once!
但是总公司那边发来传真说有事，我不得不马上回去_。
He took off at once and headed back to the motel.
他出人意料地立刻就离开了，然后回到了那家汽车旅馆。
He couldn't reasonably be expected to pay back the loan all at once.
公平合理地讲，不可能指望他一下子归还全部借款。
Tom turned upon the back track at once, and hurried his steps.
汤姆立刻转身原路返回，并且加快了脚步。
I would be an ungrateful wretch if I didn't tell you at least once that it was you who brought some meaning back into my life.
如果我一次也不跟您说：是您给我的生命带来了新的意义，那我可就是个忘恩负义的坏蛋了。
He told these children that they could eat the marshmallow at once, or wait until he came back and get two marshmallows.
他告诉这些孩子，他们可以立即吃掉棉花糖，或者等他回来，然后得到两块棉花糖。
To my great comfort, Elizabeth put me on her back and rushed to the doctor's at once.
伊丽莎白把我背起来，急忙带我去医生那里，这对我来说是极大的安慰。
When he came back, he had a look at the three things once more.
当他回来的时候，他又看了看那三件东西。
He used to return home at least once a year, but hasn't been back for almost three years now because of the hard job in a crayon factory.
他过去每年至少回家一次，但由于在蜡笔厂工作太辛苦，他已经快三年没回家了。
"You have to make sure you don't turn two pages at once and make sure you find the repeats in the music when you have to go back to the right spot. " Mr. Titterton explained.
“你必须确保你不会一次翻两页并且必要的时候确保你回到前面找到音乐重复的部分。”蒂特顿先生解释说。
Once the ants start foraging and bringing back food, other ants join the effort, depending on the rate at which they encounter returning foragers.
一旦觅食蚁开始觅食并准备把食物带回来，其它的工蚁便开始加入，而这都依赖回程觅食蚁与其它蚂蚁的接触频率。
The implication is that once you've released into production your team will likely find itself right back at the beginning of the Construction phase again implementing new requirements.
这个含义是，一旦您发布了产品，您的团队将发现自己再次回到构建阶段的开始，实现新的需求。
At every stop someone would soon be prodding and poking my bike. Once I even came back from refilling my water bottles to find one old guy wheeling around on it precariously.
每次停车都有人对我的自行车指指戳戳，有一次我取水回来，甚至看见一个老家伙摇摇晃晃地骑着我的车兜圈子。
C: Well, I would be an ungrateful wretch if I didn't tell you at least once that it was you who brought some meaning back into my life.
上校：如果我一次也不跟你说：是你给我的生命带来了新的意义，那我可就是个忘恩负义的坏蛋了。
Once back at the barracks he started pushing me and even slapped me in the back of the head.
一回到营房，他便对我推推搡搡，还拍了一下我的后脑勺。
Just smile at people once in a while... when they smile back, which they will do most of the time, see if it doesn't make you feel good.
只要时不时的对人们微笑就好了……当他们也向你微笑的时候——大多数时候他们都会这样做——看看这样是否可以使你感觉不错。
Once you start moving along such a curve, you are required to come back to precisely the point at which you started.
一旦你开始沿着这样的曲线移动，你就需要精确地回到你起始的地方。
So yet once more — and I promise this will be one of the last times that we look back at Milton's mask - but yet once more, let's look at Comus.
因此我们要再一次——我保证，这将是我们最后一次回顾弥尔顿所写的这出面具戏，不管怎么着，让我们再次回顾《科玛斯》。
He told them that they could eat the marshmallow at once, or wait until he came back and get two marshmallows.
他告诉这些孩子，他们可以立即吃掉棉花糖，也可以等他回来，然后得到两块棉花糖。
Once back at my Nan's, everyone was silent, no one wanted to do anything. Dad read a book quietly, Nan sat and sobbed to her, mum went to fetch some chips from the chippy, and I listened to my music.
回到奶奶家后，所有人都默不做声，大家都什么也不想干。爸爸静静地在看书，奶奶坐着，独自啜泣，妈妈去店里买些炸土豆片，而我，则听着音乐。
Even you, Nelly, if we have a dispute sometimes, you back Isabella at once; and I yield like a foolish mother: I call her a darling, and flatter her into a good temper.
甚至你，耐莉，假使我们有时候争执，你立刻向着伊莎贝拉，我就像个没主见的妈妈似的让步了——我叫她宝贝，把她哄得心平气和。
Once you look back at the success business has achieved during crisis after crisis, panics tend to smell more like opportunities.
一旦你回顾在接连的危机中这些公司所获得成功，恐惧就增加了机会。
Some funds have been hanging on since 2008, trying to claw their way back to their peaks, or "high-water marks", at which point they can once again earn lucrative performance fees.
有些基金自2008年就开始不断努力，试图重返巅峰或者达到“高水平线”，在这个线上他们可以重新挣取丰厚的佣金。
They were shown animated videos centering around numbers — for instance, one video showed eight frogs on lily pads; four jumped away at once, then two came back one at a time.
有些实验是一些和数字有关的动画，比如，某个视频里，有八只青蛙停在荷叶上，其中四只一下子跳的不见踪影，但两只马上又跳了回来。
Marco is funny and genuinely friendly and once back at the hostel he makes us lemonade with fresh lemons and organises for a girl he knows to help Emily in the morning.
麦可很有趣，又天生待人和善。一回到旅馆，他请我们喝鲜柠檬和橘子榨的饮料，并要一位他认识的女孩明天上午帮助艾米丽。
Marco is funny and genuinely friendly and once back at the hostel he makes us lemonade with fresh lemons and organises for a girl he knows to help Emily in the morning.
麦可很有趣，又天生待人和善。一回到旅馆，他请我们喝鲜柠檬和橘子榨的饮料，并要一位他认识的女孩明天上午帮助艾米丽。
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