The main stem will extend to around 12 ft, if left to develop naturally.
如果让其自然生长，主干会延伸到12英尺左右。
The plant will soon choke ponds and waterways if left unchecked.
如不控制这种植物的生长，池塘和水道很快就要被阻塞。
Cholera is an acute diarrhoeal disease that can kill within hours if left untreated.
霍乱是一种急性腹泻性疾病，如未经治疗，可在数小时内致命。
But my husband, if left to his own devices, would probably not ever eat another vegetable again.
可是如果让我丈夫做主，他肯定不会再吃任何一种蔬菜。
That is risky: if left for any length of time, those pledges give banks an incentive to behave recklessly.
这种做法存在风险：如果没有限定期限，这些保证会给银行不顾风险地经营提供动机（道德风险）。
Facts are terrible things if left spreading and unexamined.
信息如果任其泛滥，不加审核，那是可怕的事情。
Salt isn't much good if left to itself, and a light that's hidden helps no one.
无味的盐没有多少好处，掩藏的灯帮不了任何人。
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。
All of those are small problems at first. However, they can quickly become big ones if left unchecked.
这些一开始都只是小问题。然而如果不及时核对，就会变成大麻烦。
The illness has symptoms that include fever, fatigue and headaches, but if left untreated, Lyme disease can be more serious.
莱姆病症状包括发烧、疲惫和头痛，但若不加以治疗，将产生更严重的后果。
Make it smell Great: Bathrooms smell like cleaner or mildew if left on their own, so replace that scent with something much better.
让气味好闻：浴室闻起来像清洁剂或发霉的味道(如果不管的话)，因此用更好的气味取代它。
Too much time is spent dwelling on misunderstood employee communications, which, if left unaddressed, eventually leads to conflict.
员工交流中出现的误会往往会消耗大量时间，如果得不到解决，常常会导致冲突。
A small number of children suffer from a condition called amblyopia, a vision problem that can lead to permanent vision loss if left untreated.
少数儿童患有一种视力问题——弱视，如果不及时治疗，可导致永久性视力丧失。
While these problems may not be critical at the moment, if left unattended, they will worsen and affect the company's survival in the long term.
虽然这些问题可能不是关键因素，如果无人顾及这些问题，时间一长这些问题将会恶化，最后给公司的长期生存带来影响。
This online feedback is so valuable—and so dangerous if left untended—that you shouldn't wait for customers to register their complaints on Google.
这些在线反馈十分宝贵，如果不予理睬就会十分危险，因此，你不应该去等待客户把他们的抱怨放到Google上。
Whether she would have got over this fancy if left to herself or persevered in nursing it perpetually, I cannot say: she had little time to reflect.
如果让她自己想去，她是不是会丢开这场幻想，还是永久保存它呢，我从不能断定。她也没有什么时间多想了。
At least in theory, most of the world's governments now accept that climate change, if left unchecked, could become the equivalent of a deadly asteroid.
至少从理论上来看，大部分国家都认同罔顾气候变化将有如遭遇陨石般的致命袭击。
Cholera is an acute intestinal infection caused by contaminated food or water. It causes watery diarrhea that can lead to severe dehydration and kill within hours if left untreated.
霍乱是一种由食物和水污染引发的急性肠道感染疾病，这种病会引发水泻(分泌性腹泻)从而导致严重脱水，如得不到及时治疗数小时就会要人的命。
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。
Potatoes (like tomatoes) contain poison in the stems and leaves –and even in the potato itself if left to turn green (the green is due to a high concentration of the glycoalkaloid poison).
马铃薯（就像西红柿）在茎和叶子中含有毒素——如果它变成绿的，甚至马铃薯本身也会有毒。
While diabetes is a preventable and manageable disease, it can have serious complications if left untreated, and it's estimated that about 6 million Americans don't know they are diabetic.
虽然糖尿病是可以预防、治疗的病症，但是如果不去治疗会有各种并发症。据估计，大约有600万的美国人不知道他们身患糖尿病。
Potatoes (like tomatoes) contain poison in the stems and leaves – and even in the potato itself if left to turn green (the green is due to a high concentration of the glycoalkaloid poison).
马铃薯（就像西红柿）在茎和叶子中含有毒素——如果它变成绿的，甚至马铃薯本身也会有毒。
If left unchecked, weeds will flourish.
如果不加遏制，杂草就会疯长。
If left untreated, visceral leishmaniasis is usually fatal.
如果不及时治疗，内脏利什曼病通常是致命的。
If left untreated, decay goes deeper and deeper into the tooth.
如果不及时治疗，蛀牙会越来越深。
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。
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。
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