ocean-sea

o / oh

ocean / sea

o'clock

offering

official / officious

OK / okay

on time /
in time

one's way

only

onto / on to

open / ajar /
half-open /
wide-open / closed

open-minded /
broad-minded

oral / verbal

out of / from

outdoor / outdoors / outside / out

own

ocean / sea


1	ocean은 가장 큰 해수의 지역을 의미한다.
1	the Pacific Ocean
2	the Atlantic Ocean
3	the Indian Ocean
4	Have you ever sailed on the ocean?
5	They have a house on a hill above the ocean.

2	sea는 ocean 보다 작은 해수의 지역을 의미한다.
1	the Mediterranean Sea
2	the Baltic Sea
3	The hotel is by the sea.

3	sea는 ocean과 sea의 대표적인 의미로 사용된다.
1	He went to sea (=became a sailor) at the age of 18.
2	People came west by land and by sea.
3	The whales headed back out to sea.

Have you
ever sailed
on the ocean?

He went to sea
at the age of 18.