He had been bitten by a rattlesnake.是什么意思？

He had been bitten by a rattlesnake.

他被响尾蛇咬过。

he

pron. 他，它，一个人；n. 雄性动物；

例句
Logic had prevailed and he had abandoned the idea.
最终理智占了上风，他打消了那个念头。

had

v. 有（ have的过去式和过去分词 ），（亲属关系中）接受，拿，买到；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

been

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的过去分词 ），在，存在，不受干扰，去过了，be的过去分词；

例句
Have you been able to have any kind of contact?...
你联系上了吗？

bitten

v. 咬，叮( bite的过去分词 )，刺痛，有咬（或叮）的习性，（人）上当；

例句
We were all badly bitten by mosquitoes.
我们都被蚊子咬惨了。

by

prep. 在…旁边，表示方式，由于，经过；adv. 经过，表示保留或保存时用，短暂拜访；

例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

rattlesnake

n. 响尾蛇；

例句
She killed with a hoe the biggest rattlesnake ever seen in this country.
她用锄头打死一条本县人见过的最大的响尾蛇。