It 's very dangerous to be exposed to these viruses without any protection.
不加任何保护，直接暴露在这些病毒下是十分危险的。
It 's dangerous to pull out without look.
看也不看就把车拉出来是危险的。
They will put a Gene from the bacterium into a virus. The virus itself is not dangerous. It simply carries the bacterium 's Genes.
他们将把取自这种细菌的一种基因植入一种病毒。病毒本身没有危险。它仅仅携带细菌基因。
Such price cutting in Britain is alarming some u. s. industry analysts who fear it could set a dangerous precedent for the u. s.
这种降价，在英国是震惊美国的一些业内分析人士担心这会开创一个危险的先例。
And if you follow the news , it ' s a very dangerous period of time there.
如果你跟踪时事的话，就会知道那个地区正处于非常危险的阶段。
It 's dangerous to run across the busy road.
跑着穿越繁忙的马路是很危险的。
It 's very dangerous to throw stones to the cars on the expressway.
对高速公路上的车扔石块是很危险的。
Vermont Senator Bernie Sanders considered it a dangerous precedent in which U. s. companies could threaten to leave the U. s. in exchange for government incentives.
佛蒙特州联邦参议员桑德斯认为这是一个危险的先例，美国公司可以用离开美国为要挟，换取激励措施。
It 's dangerous to overtake on a bend.
在弯道处超车是危险的。
很危险的！
The makers of the Aeryon Scout say it was designed for taking pictures of places where it"s too difficult, dangerous or time-consuming to go."
“艾伦侦察器”的研制者们说，设计这款相机的目的是为了在那些耗时耗力也很难到达的危险地带进行拍摄。
The doctors tell us it' s dangerous to smoke, but such good advice rolls off of some people like water off of a duck's back.
医生告诉大家吸烟有害健康，但是这些忠告对烟民如耳旁风一样根本不起作用。
Bismarck has some of the lowest year-round particulate levels of all U. s. cities (it comes in at number 11) and ozone levels below what is considered dangerous.
俾斯麦是美国所有整年微粒物质水平最低的城市之一，而且该城市的臭氧含量也属于安全水平。
Also, a recent U. s. National Institutes of health study found that cellphone use can speed up brain activity, but it is unknown whether that has any dangerous health effects.
同时，美国国立卫生研究院在最近研究发现，使用手机会加快大脑的活动，此外还上不清楚有任何危害健康的影响。
Earlier this year, a U. s. National Institutes of health study found that cellphone use can speed up brain activity, but it is unknown whether that has any dangerous health effects.
今年早些时，美国国家健康研究院发现，手机的使用可以加快大脑活动，但是这是否会造成健康危害尚未可知。
Earlier this year, a U. s. National Institutes of health study found that cellphone use can speed up brain activity, but it is unknown whether that has any dangerous health effects.
今年早些时，美国国家健康研究院发现，手机的使用可以加快大脑活动，但是这是否会造成健康危害尚未可知。
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