sea
/siː/noun
(常作the sea)
1- the expanse of salt water that covers most of the earth's surface and surrounds its land masses海, 海洋：
a ban on dumping radioactive wastes in the sea
禁止向海洋倾倒放射性废料
mass noun rocky bays lapped by vivid blue sea蔚蓝色的大海包围的岩石海湾
as modifier a sea view.海景。
1.1
- often in place names a roughly definable area of this常用于地名海：
the Black Sea.
黑海。
1.2
- in place names a large lake用于地名大湖：
the Sea of Galilee.
加利利海。
1.3
- mass noun used to refer to waves as opposed to calm sea（与平静海面相对的）海浪：
there was still some sea running.
海上仍然风浪滚滚。
1.4
seas
large waves巨浪：the lifeboat met seas of thirty-five feet head-on.
救生艇迎面遇上35英尺高的巨浪。
1.5
- count noun figurative a vast expanse or quantity of something〈喻〉广大; 众多：
she scanned the sea of faces for Stephen.
她在人潮如涌的人群中搜寻史蒂文。
短语
at sea
1
- sailing on the sea出海, 航海。
1.1
- （亦作all at sea）confused or unable to decide what to do困惑, 不知所措：
he feels at sea with economics.
他对经济学一窍不通。
by sea
- by means of a ship or ships乘船：
other army units were sent by sea.
其他部队通过海路运送。
go to sea
1
- set out on a voyage出海航行。
1.1
- become a sailor in a navy or a merchant navy（在海军或商船队）当水手。
on the sea
- situated on the coast在岸边。
put (out) to sea
- leave land on a voyage离岸出海。
词源
Old English sǣ, of Germanic origin; related to Dutch zee and German See.