一旦侵入身体一丁点含病毒的液体,病毒就会快速蔓延开来,常常一个喷嚏、一个咳嗽或一个亲吻就足以致病,因为导致感冒的病毒有成百上千种,所以身体无法对所有病毒都产生免疫。
It spreads quickly once tiny beads of fluid enter your body, often from a sneeze, cough, or kiss. There are hundreds of viruses that can cause a cold; you can never build up immunity to all of them.
我们不能找出谁第一个发现,但是,一旦三到四个人发现了这种情况,信息则迅速蔓延。
We can't figure out who found it first, but three or four people sort of found it at once, or word spread really quickly.
对于银行业真实状况的担忧可能导致一旦主权债务危机爆发,就会演变成地区性问题,并进而在整个欧洲大陆蔓延。
Fears about what the Banks really look like could kindle a flare-up of the sovereign debt crisis into a regional headache into a Continent-wide contagion.
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