make a journey around the world：作环球旅行

have a good / pleasant journey：一路顺风、一路平安

I wish you a pleasant journey.

I spent all the money on the journey.

The young man is on his first journey to Beijing.

trip：(c.n.) 时间短、距离近的旅行，来回走一次可称为"a trip"。

e.g. make a round-trip：跑个来回

a trip around the world：周游世界

make / take a trip to England：去英国旅行

I will be on a business trip to the USA.

I have made three trips to the teachers' office.

tour：(c.n.) 周游，(以观光为目的的)旅行、游历

e.g. a around-the-world tour：环球观光旅行

a guided tour：有导游带领的游览

make a tour of ...：游览......

　　　Our American friends are making a tour of Shanghai.

travel：指到国外或遥远的地方旅行

　　1）单数时，是抽象名词，指"旅行"这一抽象概念，没有明确的目的地。

e.g. We are all fond of travel.

At present, group travel is encouraged.

He will set out on another air travel to Hong Kong.

2）复数时，通常指具体的旅行。

e.g. He came back from his travels to the North.

She bought some valuable things on her travels.

　　3) 可用作动词，作"旅行、传送"解

　　 e.g. I like traveling. How about you?

　　 We travel to work every day.

　　 Light travels 300, 000kms a second.

voyage： 海上的航行、太空旅行

e.g. go on a voyage, take / make a voyage

The voyage from England to India used to take over 6 months.

She fell ill during the voyage and had to be sent away by a helicopter.

5、announce / declare

announce：指正式地"公开"、"发表"、"宣布"，侧重"预告"人们所关心或感兴趣的事情。

e.g. announce a wedding in the papers

Footsteps announce his return.

　　常用以下结构：announce (to sb) sth/ that... 或 It is announced that ...

　　e.g. Please announce to your class that there will be no school tomorrow.

The news was announced to the public on TV.

It was announced that would be a celebration on May 4.

declare：指正式和明确地向公众"宣布"、"宣告"、"声明"，侧重"当众"发表，多用于宣战、议和、宣判等。

e.g. The two countries declared war.