old age , especially with some loss of mental ability
发音
例句
1. Even in his dotage, the Professor still sits on the committee. 即便上了年纪,教授仍然是委员会的一员。 2. Sarah moved back in with her father so that she could look after him in his dotage. 萨拉搬回来与父亲同住,好在他年老时照顾他。