I have never seen such horrific injuries...是什么意思？

I have never seen such horrific injuries...

我从来没有见过如此严重的伤势。

have

aux. 用以构成完成式及完成式的不定式，表示已经…；vt. 有，具有，拿，取得，从事，必须，不得不；n. 〈口〉有产者，有钱人，富国，〈英俚〉欺骗，诈骗；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

never

adv. 从不，从来没有，一点也不，决不，<口>不会…吧，没有，不曾；

例句
The public never had faith in his ability to handle the job...
公众从来不相信他有能力胜任这一职位。

seen

v. 看见( see的过去分词 )，观看，领会，考虑；

例句
Holiday spots have seen a dramatic revival and tourist chiefs are competing for a slice of the action.
各个度假点重又呈现出一派兴旺景象，旅游业的龙头老大们都在争着分一杯羹。

such

det. 这样的，那样的，如此，这样；

例句
...abstract principles such as justice...
正义等抽象原则

horrific

adj. 令人恐惧的，可怕的，恐怖的，令人毛骨悚然的；

例句
The real picture is more horrific and stronger but one must conjure up all the associative thoughts and emotions it evokes.
真实的画面更恐怖也更震撼，但是它带来的种种感受和情绪需要你自己去联想。

injuries

n. 伤害，损害( injury的名词复数 )，受伤处；

例句
The houses were set afire but there were only minor injuries to seven personnel...
房子着火了，但是只有7位职员受轻伤。