extended

We went on an extended [=lengthy] vacation.我们去度长假。

a period of extended hospitalization = an extended period of hospitalization长时间住院

Do you want the extended service warranty? [=a warranty that covers more things or lasts for a longer period of time]你想要超值服务的保证书吗？

The word has developed several extended [=additional] meanings/senses.这个词已经衍生出另外一些意思。