seven seas

• n. 世界七大洋(即北冰洋；南冰洋；北大西洋；南大西洋；北太平洋；南太平洋及印度洋)

英英释义

Noun:

1. an informal expression for all of the oceans of the world;

   "the old salt had sailed the seven seas"
   

词汇搭配

• seven seas 世界七大洋(即北冰洋...