1、navy：海军; 海军部队;深蓝色的。

2、The government announced an order for three Type 23 frigates for the Royal Navy yesterday.***昨天宣布为皇家海军订购3艘23型护卫舰。

3、I mostly wore black or navy trousers. 我大部分时间穿黑色或深蓝色裤子。