i visited them once every six months的意思,还有另一种表达方式,用序数词~
问题描述：
i visited them once every six months的意思,还有另一种表达方式,用序数词~
答
every second year是指每两年,这是常用表达法,由此推算每六个月应该为every sixth month
这个句子应该为i visited them once every sixth month,注意month不加复数的