She was sentenced to twenty years' imprisonment for poisoning and attempted murder.是什么意思？

She was sentenced to twenty years' imprisonment for poisoning and attempted murder.

她因投毒和谋杀未遂被判20年监禁。

she

pron. 她，它；

例句
Her lover walked out on her after she had aborted their child.
她的情人在她打掉胎儿后甩了她。

was

v. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质（ be的过去式 ），在，存在，不受干扰；

例句
There was a terrible sadness in her eyes...
她眼神中流露出深深的悲伤。

sentenced

v. 宣判，判决( sentence的过去式和过去分词 )；

例句
His wife was sentenced to seven years imprisonment for aiding and abetting him...
他的妻子作为他的从犯被判入狱7年。

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

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

twenty

n. 二十，二十个，二十多岁，二十年代，许多，大量；num. 二十；adj. 二十的；

例句
...an increase of more than twenty per cent on the basic pay of a typical coalface worker...
普通采煤工人的底薪上浮超过20％

imprisonment

n. 关押，监禁，“imprison”的派生；

例句
His wife was sentenced to seven years imprisonment for aiding and abetting him...
他的妻子作为他的从犯被判入狱7年。

for

prep. 为，为了，倾向于，关于，当作；conj. 因为，由于；

例句
I've come looking for a bit of advice.
我特来讨教。

poisoning

n. 中毒，毒害，投毒；v. 毒死( poison的现在分词 )，污染，放毒于，对…有不良影响；

例句
Objective : To inquire into antidotal effects of sulfhydryl compounds on acute poisoning with tetramine in mice.
目的: 探讨巯基化合物对毒鼠强急性中毒小鼠的解毒作用.

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

attempted

v. 试图( attempt的过去式和过去分词)，尝试，试图夺取或攻克（堡垒、要塞等），试图征服（高山）；adj. 未遂的，企图的；

例句
He has attempted to align the Socialists with the environmental movement.
他已试图争取社会党人支持环境运动。

murder

n. 谋杀，杀戮，极艰难[令人沮丧]的经历；vt. 凶杀，糟蹋，打垮；vi. 杀人；

例句
He was intent on murder and he came within an ace of succeeding.
他一心想杀人并且差点就得逞了。