Once upon a time, a king dressed up and went to a local village.
很久很久以前，有个国王盛装前往当地的一个村庄。
Once up and running, oil-sands mines produce a steady flow of oil for 30 years or more, whereas the output of more conventional fields is much less predictable.
一旦建成运行，油沙矿在之后的30年或更长的时间里将持续不断的提供石油资源，而那些传统的油田的产量相对而言缺少可预见性。
In the cached-handle model, the application obtains the connection once up-front and caches a reference to it in an instance field, as illustrated in Listing 2.
在cached - handle模式中，应用程序在一开始是获得连接，然后在一个实例字段中缓存对它的引用，如清单2所示。
I've had it (up to here) with him —he's done it once too often.
我受够他了—他这一次太过分了。
I was hard on him once because he wouldn't climb more than a couple of metres up the rope.
有一次我对他很严厉，因为他不愿意爬超过几米的绳子。
He once plugged up the spout of a teapot and placed it on the fire.
曾有一次，他把茶壶嘴用东西堵住，然后把茶壶放在火炉上。
Brian started the engine and pulled away slowly, but picked up speed once he entered Oakwood Drive.
布赖恩发动引擎，慢慢驶离，但上了奥克伍德大道后就开始加速。
Countries overwhelmed by the human tide of refugees want safe havens set up at once.
那些被难民潮席卷的国家想要立即建立安全区。
Amy picked up the hairbrush and brushed her hair once more.
艾米拿起梳子，又梳了一遍头发。
After the war, a new school building was put up where there had once been a theatre.
战争结束后，曾经是剧院的地方建起了一座新学校。
Success was once defined as being able to stay at a company for a long time and move up the corporate ladder.
成功曾经被定义为能够在一家公司待很长一段时间，并在公司中步步高升。
He knew that once he hit the hill, he’d be easy caught up and the wolf’s teeth would be tearing into his flesh.
他知道一旦上了山，他就很容易被追上，狼的牙齿会撕咬他的肉。
It is vital that once an institution claims to be particularly good at something, it must live up to it.
至关重要的是，一旦一家机构声称自己在某方面特别擅长，它就必须做到这一点。
Momentum is said to be "conserved", that is, once you build it up, it has to go somewhere.
动量被认为是“守恒的”，也就是说，动量一旦被建立，就一定会转移到其他地方。
Here the brightly colored scenes that once decorated a mansion are being dug up.
在这里，曾经装饰过豪宅的鲜艳场景正在被挖掘出来。
Where 50-kilogram king salmon once fought their way up waterfalls to lay their eggs in gravel beds, there now are only concrete walls holding back still water and deep beds of muddy deposits.
50公斤重的大马哈鱼王曾经奋力爬上瀑布，把卵产在砾石床上，现在只有混凝土墙挡住静止的水和深深的泥床。
They made up their mind that they would buy a new house once Larry changed jobs.
他们下定决心，一旦拉里换了工作，他们就会买一栋新房子。
At Mercedes, cutting payrolls, streamlining production and opening up to consumer needs are revolutionary steps for a company that once considered itself beyond improvement.
在梅赛德斯，这意味着裁员、精简生产和满足消费者需求——对于这家一度认为自己已无法改善的公司来说，这是革命性的举措。
"Once we scale up, algorithms must be sensitive to tiny changes in identities and at the same time invariant to lighting, pose, age," Kemelmacher-Shlizerman said.
凯梅尔马赫·施勒泽曼说：“一旦扩大规模，算法必须对身份的细微变化敏感，同时不受光照、姿势和年龄影响。”
Once you have set up your fitness plan, don't make any great changes to it unless your doctor allows you to.
一旦你建立了你的健身计划，除非你的医生允许，否则不要做任何大的改变。
Once these plants use up their stored reserve or tap out the underground supply, they cease growing and start to die.
一旦这些植物耗尽它们储存的水或者用完地下水源，它们就会停止生长并开始死亡。
Once the target had been softened up, and the civil servant had been identified as public enemy number one, the first cuts could begin.
一旦目标被拉拢了，公务员已被认定是头号公敌，首次开刀就可以开始了。
She rushed to pick up all the money she could find at once, and a lot of people came to help her as well.
她立刻去捡她能找到的所有的钱，很多人也来帮助她。
Once I looked up "tipping" in a dictionary.
有一次我在字典里查了“tipping”这个词。
Not so very hard, after I had once made up my mind that I would learn it.
不那么难，一旦我下定决心后，就能学会它。
Why not clean up your room at once?
为什么不马上把你的房间打扫干净呢？
She was trying hard to get up but fell once more.
她极力想站起来，但又摔倒了。
"I have tried, but it is of no use; I may just as well give up at once."
“我试过了，但是没有用；我还不如马上放弃。”
The live-attenuated vaccine is considered the most effective, but there is a worry: what might happen once these viruses wake up?
减毒活疫苗被认为是最有效的，但有一个问题：一旦这些病毒苏醒，会发生什么？
The live-attenuated vaccine is considered the most effective, but there is a worry: what might happen once these viruses wake up?
减毒活疫苗被认为是最有效的，但有一个问题：一旦这些病毒苏醒，会发生什么？
应用推荐