They set off, two men out in front as scouts, two behind in case of any attack from the rear.
他们出发了，两人在前作为侦察员，两人殿后以防后方攻击。
Displacement occurs because the animal's got two conflicting drives—two competing urges, in this case, fear and hunger.
转移行为的发生是因为动物有两种相互冲突的驱动力——两种相互矛盾的冲动，在这种情况下，就是恐惧和饥饿。
A rescue worker risked his life saving two tourists who had been trapped in the mountains for two days.
一名救援人员冒着生命危险救了两名在山里被困了两天的游客。
One January, I had to officiate at two funerals on successive days for two elderly women in my community.
在某个1月，我不得不连续两天为我们社区的两名老年妇女主持两场葬礼。
Originating in a misunderstanding, a bitter quarrel between the two neighbours has lasted for two hours.
由于误会，两个邻居之间的激烈争吵已经持续了两个小时。
Most cells in your body have two copies of every chromosome and, therefore, two copies of every gene: one from your mother and one from your father.
你体内的大多数细胞每条染色体都有两份拷贝，因此，每个基因也都有两份拷贝：一份来自你的母亲，一份来自你的父亲。
Several months later, the two families moved away and two new families moved in.
过了几个月，换了新邻居，原来的两家搬走了。
Two officers on patrol became suspicious of two men in a car.
两位巡警对一辆小汽车内的两名男子起了疑心。
Tensions were raised this week as the two accused each other of links to killings in the two countries.
由于双方互相指控对方与两国的杀戮事件有关，本周的紧张局势进一步升级。
In Norway, after an intervention campaign was introduced nationally, an evaluation of forty-two schools suggested that, over a two-year period, bullying was halved.
在挪威，一项干预运动在全国推广后，对42所学校的评估表明，在两年的时间里，欺凌现象减少了一半。
There was a machine in the kitchen which could extract the juice of two hundred oranges in half an hour if a little button was pressed two hundred times by a butler's thumb.
厨房里有一台机器，只要管家用拇指按下小按钮两百次，半小时就能榨出两百个橙子的汁。
Usually you have two pockets in front and two pockets in back.
通常你前后分别有两个口袋。
My father answered my letter with just two lines—two lines that will always sing in my memory—two lines that completely changed my life.
父亲给我的回信只有两行字——这两行字将永远留在我的记忆中——这两行字彻底改变了我的生活。
The number "one" is shown in turn by two white stripes, two black stripes, two white stripes, and one black stripe.
数字“1”由两条白条纹、两条黑条纹、两条白条纹和一条黑条纹依次表示。
In May 2021, two photos and two videos were taken by its probe during and after the country's first landing on the red planet.
2021年5月，该探测器在该国首次登陆这颗红色星球期间和之后拍摄了两张照片和两段视频。
We will spend the first day in Disneyland and two days in Hollywood, and we will go to the beaches for the other two days.
第一天我们会在迪斯尼乐园度过，然后在好莱坞呆两天，接下来两天我们会去海滩。
So he put two and two together, and decided there was an element in the sun that hadn't been discovered here on the earth yet.
所以他根据事实推断，认为太阳中有一种元素在地球上还没有被发现。
The next day, the two boys remembered the "Number two", thinking this must be the number of the room in the hotel.
第二天，这两个男孩想起了“2号”，想着这一定是旅馆的那个房间号。
The British have advanced only two kilometres in two months of fighting. It is a tough, frustrating and bloody business.
英军在两个月的战斗中仅仅前进了二公里，那是一个艰难、沮丧和血腥的进程。
So you need two different approaches in these two parts of the world to address the epidemic.
因此，在这两个地区，需要采取两种不同的方式来应对艾滋病的流行。
Specialists in several fields, including spiders, birds, microbes, plants, mammals, and fossils, will spend two weeks in two of the remotest northern regions, close to the Bolivian border.
包括蜘蛛、鸟类、微生物、植物、哺乳动物、化石等研究领域的专家，将在靠近玻利维亚边境最偏远的北部地区逗留两个星期。
In two days, two prominent central bankers, one on each side of the Atlantic, headed for the exit.
两天之内，两位杰出的中央银行行长，虽然身处大西洋两岸，却都选择了退出。
In so doing, the two airlines put in mothballs two legacy system they have used for the last four decades.
这意味着，两家航空公司放弃了他们沿用了四十年的旧系统。
And they made two ouches of gold, and two gold rings; and put the two rings in the two ends of the breastplate.
又作两个金槽和两个金环，安在胸牌的两头。
pairs of balls stacked two by two in alternating directions is another.
一对球两个一组从不同方向层叠是另一种方式。
A：Are you in Class One or Class Two?B：I'm in class Two.
你在一班还是二班?我在二班。
This was the second such attack in two months and the bloodiest in two years.
这是两个月内第二次类似的袭击，也是两年内最血腥的依次。
After two years in Florida, two years in Maine, two years in Rhode Island, and two years in Colorado, I returned home to Wyoming.
两年在佛罗里达，两年在缅因州，两年在罗得岛，两年在科罗拉多，最后我回到了怀俄明州的老家。
Since those are two different tasks, they belong in two different files.
因为这是两个不同的任务，所以它们归入两个不同的文件。
Since those are two different tasks, they belong in two different files.
因为这是两个不同的任务，所以它们归入两个不同的文件。
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