His illness accounts for his absence.是什么意思？

His illness accounts for his absence.

他因为生病, 所以才缺席。

his

pron. (he的所有格)他的，(he的物主代词)他的东西；det. 属于他的，用于名词前，自己的，指某人的，上帝的；

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

illness

n. 疾病，某种具体疾病，不健康；

例句
Although his mental illness had coincided with his war service it had not been caused by it...
虽然他的精神病刚好在他参战期间发作，但并不是由此引起的。

accounts

n. 账( account的名词复数 )，帐目，报告，（关于特定事务或事件的口头或笔头的）描述；

例句
I had two accounts with Natwest, a savings account and a current account.
我在国民威斯敏斯特银行有两个账户，一个储蓄账户和一个活期存款账户。

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。

absence

n. 缺席，缺勤，缺乏，缺少，无，心不在焉，不注意；

例句
The presence or absence of clouds can have an important impact on heat transfer...
有无云层对热量的传递会产生重要的影响。