Correct

五洲

/ wǔzhōu / 
Strokes

Definition

five continents/the world

Example

As a Noun

five continents—whole world

1
Wǒmen
我们
wǔzhōu
五洲
zhīnèi
之内
jiē
皆
péngyou
朋友
  
。

We have friends in all parts of the world.

2
Huānyíng
欢迎
wǔzhōu
五洲
péngyou
朋友
de
的
guānglín
光临
  
。

Welcome friends from the five Continents.

3
Wǔzhōusìhǎi
五洲四海

Five Continents and Four Seas—all parts of the world