If left alone, they eventually can grow large enough to cover the cornea and impair sight.
如果不加治疗，它们最终会增大到足以覆盖角膜从而损伤视力。
Some are benign and easy to manage, while others, if left alone, can hinder or even destroy a crop.
其中有一些是良性的并且很容易处理，但是其它的，如果不去处理的话，它们可以阻碍甚至摧毁农作物。
He'll be cramming his fingers in the tarts and stealing the fruit, if left alone with them a minute.
要是让他跟他们在一起待上一分钟，他就要用手指头塞到果酱蛋糕里去，还会偷水果哩。
The elements, if left alone, would return to these natural places, since it was their nature to do so.
如果没有外力作用，这四种元素都会处于它们天然的位置，因为这是它们的本性。
And with those repetitive, perplexing and monotonous noises, I cannot but feel as if left alone and helpless in an exotic land.
而由于那些重复的、令人困惑的和单调的噪音，我禁不住觉得自己好像单独而无助地被留在一个异域。
The selling concept holds that consumers and businesses, if left alone, will ordinarily not buy enough of the organization's products.
推销观念认为，如果让消费者和企业自行选择，他们不会足量购买某一企业的产品。
The selling concept, another common business orientation, holds that consumers and businesses, if left alone, will ordinarily not buy enough of the organization's products.
推销观念，又一个常见的商业导向，相信任消费者和企业如果顺其自然，他们不会足量购买组织的产品。
Calculus - If left alone long enough, plaque begins to mineralize and harden into calculus or tartar because the plaque absorbs calcium, phosphorus and other minerals from saliva.
牙结石—如果菌斑呆的时间足够长，它就开始矿化变硬形成牙石或牙垢，因为菌斑从唾液中吸收了钙，磷和其他矿物质。
But others worry that more frequent testing could exacerbate what already is a major problem: most prostate cancers grow so slowly that they would have been harmless if left alone.
但其他人担心频繁的检测会加剧这样一个主要问题：大多数前列腺癌生长非常缓慢，不处理亦对人体无害。
If the woodland is left alone, it will regenerate itself in a few years.
如果林地不受干扰，几年后，它就会得到更新。
I should do exactly the same thing, if I were left alone like that.
如果让我一个人呆着，我也会做同样的事情。
If you had left the bigger trees alone, the sun and storm wouldn't have hurt you so badly. They protected you.
如果你不去管那些较大的树，太阳和风暴就不会如此严重地伤到你。它们保护了你。
And the contagion risk would be bigger than from restructuring alone: if Greece left, why not Portugal or even Spain and Italy?
同时蔓延的风险比重组的要高得多：如果希腊离开了欧元区，那么葡萄牙、西班牙和意大利为什么不离开？
Marley would attack the furniture, walls and doors until his feet bled if he was left alone in the house during a storm.
当打雷时，如果玛丽自己单独在房间里的话，那么它会攻击家具、墙壁，一直到它的四脚鲜血直流为止。
Nonetheless, though many flowers are able to struggle by themselves, if totally left alone, most of them tend to die eventually.
不过，尽管花草自己会奋斗，我若置之不理，任其自生自灭，它们多数还是会死了的。
If the device detected a chemical or a certain combination of the two chemicals, then the strand of RNA was left alone, which produced the green glowing protein.
如果该设备探测到一种化学药品或两种化学药品的某一组合，这段RNA就保持不变，从而生成发绿光的蛋白质。
Teenagers feel that if they won’t join the group, they would lose their friends and will be left alone in which they don’t want to happen.
青少年们认为,如果他们不加入这个群体,他们将会失去朋友,被众人孤立,这是他们不愿看到的。
If she predicted you will take Box 2 alone she put $1M into it. If she predicted you’ll take both boxes she left Box 2 empty.
如果她预测你会拿第2个盒子，她会在里面放$1M，如果预测你拿两个盒子，她会在第2个盒子里什么也不放。
If you are in crisis, make sure you are not left alone.
如果你处在危机中，确保你不是一个人。
If a word is not in the dictionary it gets a red underline, otherwise it's left alone.
如果一个单词是字典中所没有的，那么它的下面将会出现一条红色下划线，相反什么都不会发生。
If you think your friend is in immediate danger, stay close — make sure he or she isn't left alone.
如果你觉得你朋友状态真的很不好的话，请离他近一点，不要让他一个人。
By the same token, removing a completely burned forest can end up releasing more carbon than if the dead trees are left alone.
同样道理，把烧毁的森林运走的结果也是产生更多的碳，比把死掉的树留在那更多。
Be consistent with this and if you work from home, let others know that this is your work time and you need to be left alone.
如果在家里就一定要遵守，让他人知道这是你的工作时间，你需要独处。
If someone else is in crisis, make sure he or she is not left alone.
如果别人有危机，确保他或她不是一个人。
But it is a relatively small part of what many global Banks do and could well be left alone even if Banks had to make other changes to their business.
但这只是全能银行业务的一小部分，即使银行被迫对其他业务做出改变，这部分也会保留。
I know if it was me alone and people had left me, for sure I should have been playing for Madrid now.
我知道如果我是自己一个人，我肯定会为皇马效力的。
And if anything should happen to you, think of me left alone.
如果你有什么事情的话，想一想孤单的我。
I am sure I ought if I can, quite as much as Charles, for they want me excessively to be acquainted with Captain Wentworth, and I know you do not mind being left alone.
就像查尔斯一样，我要是能去的话，当然应该去，因为他们都极想让我结识一下温特沃思上校，而我知道你又不介意一个人留在家里。
On the other hand, though, if a child is left alone too much, or without any learning opportunities, he loses his natural zest for life and his desire to find out new things for himself.
但另一方面，家长如果对孩子放任不管，致使他没有学习的机会，那么孩子就会失去对生活的热情，失去对新事物的好奇心。
If the boy had left the dog alone it wouldn't have bitten him.
如果那个男孩独自离开了那只狗就不会咬他。
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