Were you vaccinated against smallpox as a child?是什么意思？

Were you vaccinated against smallpox as a child?

你小时候打过天花疫苗 吗 ?

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

you

pron. 你，你们，您们，各位，大家；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

vaccinated

adj. [医]已接种的，种痘的，接种过疫菌的；v. 给…接种疫苗( vaccinate的过去式和过去分词 )，注射疫苗，接种疫苗；

例句
Dogs must be vaccinated against distemper...
狗必须接种犬瘟热疫苗。

against

prep. 反对，对…不利，紧靠，以防；

例句
His hand brushed against hers; it could have been either accidental or deliberate.
就在有意无意间，他的手轻轻拂过她的手。

smallpox

n. 天花，痘疮，痘；

例句
It was a kind of cesspit constantly seething with smallpox and bubonic plague.
那里,几乎可以说曾经是天花和黑死病生生不息的污水坑.

as

adv. 同样地，一样地，例如；prep. 作为，以…的身份，如

例句
As far as I can recall, Patti was a Smith.
我记得帕蒂是姓史密斯的。

child

n. 小孩，孩子，幼稚的人，产物，弟子；

例句
The older child should be able to prepare a simple meal...
那个年纪稍大的孩子应当会做一顿简单的饭菜。