They may feel tired, and though outwardly calm, can be irritable.
他们可能觉得累，所以尽管表面上平静，却可能容易发怒。
I may look like a tenderfoot, but I think I can follow a trail or carry a pack if necessary.
我也许看起来像个新手，不过有必要的话我认为我也能跟着上路或扛包。
Your partner can feel the loss as acutely as you, but may feel that it is unmanly to cry.
你的伴侣对失败的感受和你一样强烈，但他可能会觉得哭泣是没有男子气概的。
Primate foamy viruses can infect humans harmlessly, but researchers fear they may evolve to become dangerous.
灵长类泡沫病毒可以感染人类但无害，但研究人员担心它们可能会演变成具有危险性。
They are certainly not junk, and for some people, they may be the best computers money can buy.
它们肯定不是垃圾，而且对有些人而言，它们可能是金钱可以买到的最佳电脑。
A pint and a half of beer can produce the effect and in men it may last 24 hours.
一品脱半的啤酒就可以产生这种效果，对男性来说，这种效果可以持续24小时。
While there are many advantages of having a pet, keeping one in the dorms can be problematic because some students may be allergic to pets.
虽然养宠物有许多好处，在宿舍养宠物却可能会有问题，因为有些学生可能对宠物过敏。
A new study in mice may help to explain why hunger can feel like such a powerful motivating force.
一项在老鼠身上进行的新研究或许能帮助解释为什么饥饿能给人带来如此强大的动力。
Try not to cough more than you can help since it may cause problems to your lungs.
尽量不要咳得太厉害，因为这可能会对你的肺部造成伤害。
Artificial muscles can generate electricity during constriction. The electricity may even charge up your mobile phone.
人造肌肉能在收缩过程中产生电力。这种电力未来甚至能为手机充电。
That is bad news for any firm that may hope that smartwatches can make up ground for maturing smartphone and tablet markets.
对于那些希望智能手表能在日益成熟的智能手机和平板电脑市场上占据一席之地的公司来说，这是个坏消息。
If software promises to save lives on the scale that drugs now can, big data may be expected to behave as big pharma has done.
如果软件在拯救生命方面可望达到药物的水平，那么大数据也可能会和大型制药公司一样行事。
If software promises to save lives on the scale that drugs now can, big data may be expected to behave as a big pharma has done.
如果软件能够像现在的药物一样拯救生命，那么大数据就有望像大型制药公司那样发挥作用。
Inactivity can make your joints stiff, and the bones may begin to degenerate.
不活动会使关节僵硬，骨骼因此可能会开始退化。
What may seem helpful behaviour to you can be construed as interference by others.
在你看来似乎有助益的行为会被他人看作干涉。
Plants can get sunburnt. Yellow spots may appear on their leaves and fruits.
植物会被晒伤。它们的叶子和果实上可能会出现黄色斑点。
I don't believe what you said, but if you can prove it, you may be able to convince me.
我不相信你说的话，但如果你能证明你的观点，你也许能说服我。
It may be that males can use scarce carotenoids either for immune defense and detoxification or for attracting females.
可能是雄性可以利用稀少的类胡萝卜素进行免疫防御和解毒，或者吸引雌性。
If you lie in bed for eight hours, you may have rested, but you can still feel exhausted the next day.
如果你在床上躺了8个小时，你可能得到了休息，但第二天仍然会感到疲惫。
I don’t believe what you said, but if you can prove it, you may be able to convince me.
我不相信你说的话，但是如果你能证明它，或许会把我说服。
Interruptions, on the order hand, can be unwelcome and you may get them for a variety of reasons.
订单方不喜被打断和干扰，但却可能会因为各种各样的原因受到干扰。
Crossing your arms may indicate relaxation, but it can also powerfully show you are bored.
交叉双臂表示放松，但也能有力地表明你很无聊。
If my mistress and all her friends can laugh at what I say, so may you too, I should think.
要是我的女主人和她的朋友都因我的话而笑，我想你也会笑的。
Waving can mean welcome and farewell, whereas scratching your head may indicate that you are at a loss.
挥手表示欢迎和告别，而挠头则表示不知所措。
However wealthy we may be, we can never find enough hours in the day to do everything we want.
无论我们多么富有，我们永远无法在一天里找到充裕的时间去做所有想做的事情。
We can see that there may be many different reasons and uses for colors in the natural world.
我们可以看到，在自然界中，颜色可能有许多不同的存在原因和用途。
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