In the last letter he simply wrote out a plus and a minus sign, and I was supposed to cross one out.
最近一封信，他索性把加减号都写好，我只要划掉一个就行。
The photo captures a key moment when he was striving to cross one hurdle, concentrating all his attention and strength.
照片抓住了刘翔集中所有力量正在跨栏的精彩时刻。
There was only one big road to cross, but it had a zebra crossing.
只有一条大路要过，但它有斑马线。
Currency-conversion costs remain one of the biggest obstacles to cross-border trade.
货币兑换成本仍是跨境贸易的最大障碍之一。
No one tried to cross the picket lines.
没有人试图越过纠察线。
One chilly night when I was hiking in the Rocky Mountains with some students, I mentioned that we were going to cross a mountain stream.
一个寒冷的夜晚，当我和几个学生在落基山脉徒步旅行时，我提到我们将要渡过一条山间小溪。
Each day about one hundred thousand automobiles cross the bridge taking people to and from the city.
每天大约有10万辆汽车通过这座桥，它们载着人们往返于这座城市。
When you cross the finish line you'll be given a bar code and you take this to one of the run volunteers, who will scan it.
当你冲过终点线时会得到一个条形码，你把它交给其中一个赛跑志愿者，他会扫描这个条形码。
They would be allowed to send groups of self-driving cars on cross-state road trips, and even set up on-demand fleets of self-driving cars, like the one General Motors and Lyft are building.
他们将被允许派遣自动驾驶汽车小组进行跨州公路旅行，甚至可以按需组建自动驾驶汽车车队，比如通用汽车和莱福特正在组建的车队。
Her idea is: live a life and try not to create any rubbish; use different kinds of ways to save the environment, such as stopping the use of one-off objects; giving unwanted things to others or donating these things to organizations like the Red Cross.
她的想法是：好好生活，不制造一点垃圾；采取不同的方式拯救环境，比如停止使用一次性物品；把不想要的东西给别人，或者捐给像红十字会这样的组织机构。
The Trojan war is one that women cross-dress as men to fight.
特洛伊战争是一场女人扮成男人去战斗的战争。
Bobcats would normally cross the border to find mates or catch dinner-this one caught a rat.
山猫一般要跨越边境去寻找配偶或捕捉食物——这一只山猫捉住的是一只老鼠。
At one point in the journey she had to cross a river.
在路上，有一处她必须要过一条河。
Make a To Do list (and cross at least one thing off).
列出一张“要做的事”的单子，并至少划掉其中一条。
Temporary conversion to triples is a great way to do ad-hoc data integration if you want to cross-reference between disparate sources or enhance data from one source with data from another.
如果您想要在异构源之间交叉引用，或者用另一个源的数据增强某个源的数据，那么到三元组的临时转换是进行特定数据集成的优秀方式。
One group of rowers who tried to cross three miles of water in foggy weather never succeeded in reaching their goal.
在大雾的天气里，一帮想要横渡三英里的水面的划船手永远也不能成功地划到他们的目的地。
The new model is based not on cross-subsidies -the shifting of costs from one product to another -but on the fact that the cost of products themselves is falling fast.
这种新模式并非基于交叉补贴——产品相对成本的变化——而是基于这样一个现状，即产品自身的成本正在迅速下降。
You can also use them to set up cross-sell associations, where a customer who buys one item sees an AD for another item that is related.
您也可以使用它们设置相应的交叉销售，也就是购买某种商品的顾客会看到相关的另外一种商品的广告。
And so, no one 'dies' to the old until they' cross over 'this threshold.
因此，没人是彻底“死”了，除非他们“跨越”了此门槛。
Using more than one model is a useful way to cross-validate estimates — wide differences in predictions provided by the models are signals that you should analyze your assumptions more carefully.
使用不止一个模型是预测中一种跨越——验证评估——较大分歧的方法，这些由模型提供的预测表明您应该仔细分析您的假定情况。
One type is printed where the cross-section is required to be solid, and the other where there are cavities, overhangs and other features with spaces.
这种聚合物有两种，一种是打印在需要凝固的横截面部分，另一种打印在镂空、悬垂和其它有空间的部分。
Only when we have the courage to cross the street and look in one another's eyes can we see there that we are children of the same God and members of the same human family.
只有当我们鼓起勇气，跨过那段距离，相互正视对方，我们才能明白，我们都是同一个天主的孩子，都是同一个人类大家庭的成员。
The former implies the ability to migrate from one environment to another without modification while the latter allows for cross-platform (or in this case, cross-cloud) deployment.
前者意味着从一个环境迁移到另一个环境而无需作任何修改，而后者允许了跨平台(或者在这里，跨云)的部署。
Somebody said something about the garden, and at last Mrs. Donnelly said something very cross to one of the next-door girls and told her to throw it out at once: that was no play.
有人在讲花园什么的，最后是唐纳利太太对一个邻家女孩非常发火的声音，叫她把那东西立即仍出去：那哪里是游戏。
We become neighbours when we are willing to cross the road for one another.
当我们愿意穿过马路去了解另外一个人时，我们就成了近人。
Freezing funding for EU mega-projects is equally unworkable; such projects often cross borders, so punishing one country leaves others to suffer too.
冻结欧盟大计划的基金同样是不可行的。这样的计划经常是跨境的，因而惩罚一个国家也会牵连其他的国家。
Thou shalt not cross bridges before you come to them, for no one yet has succeeded in accomplishing this.
你别去走你没有碰到的桥，因为还没有人成功跨越过。
Thou shalt not cross bridges before you come to them, for no one yet has succeeded in accomplishing this.
你别去走你没有碰到的桥，因为还没有人成功跨越过。
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