换届选举的英文：
election at expiration of office terms
general election

参考例句：

Election at a expiration of office terms
换届选举

election是什么意思：
n. 选举；当选；选择权

This is a direct election.
这是直接选举。

He was unanimously elected as President.
人们一致选举他当总统。

The elections were free and fair.
选举是自由公正的。

expiration是什么意思：
n. 呼气；期满，截止

At the expiration of a year the governor was transferred
但三个月也过去了，三个月之后又过了六个月。

Aspire to inspire before you expire.
断气之前，随时追求新的生命力。

Both will expire at the end of the year.
这两项政策将于今年底到期。

office是什么意思：
n. 办公室；政府机关；公署，部；所，局；营业处；官职，职务

despatch office
发送室

The office micro interface with the mainframe in the head office.
办公室的微机与总部的中央处理器相互联结。

He was removed from office.
他被免职了。