New Words：

capital [ˈkæpɪtl] n.首都

Sample Sentences：

Cairo is the capital of Egypt.
What's the capital of Finland?
There was heavy fighting in the capital last night.

New Words：

march [mɑːrtʃ]
n.行军；行进；示威游行
v.行进；齐步走；（坚定地向某地）前进

Sample Sentences：

The enemy are on the march.
We will march North to the coast.
They marched 20 miles to reach the capital.

The army began their long march to the coast.
I joined in the march and we were marching peacefully along and then the police came up．

capital [ˈkæpɪtl] n.首都
coast [kəʊst] n.海岸;海滨
peace [piːs] n.和平；平静；宁静
peaceful [ˈpiːsfl] adj.和平的；宁静的
peacefully [ˈpiːsfəli] adv.和平地；安静地

New Words：

engross [ɪnˈɡroʊs] v. 使全神贯注
engrossed [ɪnˈɡroʊst] adj. 全神贯注的;聚精会神的;专心致志的

Sample Sentences：

The student is engrossed in his book.
I go into the bookshop and engross myself in cookbooks.
He was so engrossed in his own problems that he did not notice the cakes were burning.

New Words：

notice [ˈnəʊtɪs]
n.注意；通知；通告；公告牌；警示牌
v.注意；留意；意识到；注意到

Sample Sentences：

I noticed them come in.
The first thing I noticed about the room was the smell.
Tony didn't notice because he was too engrossed in his work

The notice said 'Keep Out'.
There are just two notices this week.
The notice is placed too high nobody can read it.

engrossed [ɪnˈɡroʊst] adj. 全神贯注的;聚精会神的;专心致志的

New Words：

escalate [ˈeskəleɪt] v. 逐步升级;不断恶化，加剧

Sample Sentences：

The cost of living is escalating.
We do not want to escalate the war.