n.兩星期；十四天
It's a fortnight to National Day. 離國慶節(jié)還有兩星期。
The patient lived out another fortnight. 病人又活了兩星期。
A fortnight has fourteen days. 兩周有十四天。
adj.每兩星期一次的；隔周發(fā)行的
adv.隔周；每兩星期一次地
n.隔周出版物；雙周刊
