我們大部分兵力都已集結在大橋那里。
When the enemy's ships are all concentrated at the entrance to the harbour, it must mean trouble.

當敵人的船只都集結在海港入口處時,這肯定意味著要出事了。

大部分人口集中在城市里。
The crowds concentrated in the centre of the town near the royal palace.

一群群的人聚集在皇宮附近的市中心。 concentrate sth in sth
Modern industry has been concentrated in a few urban centres.

現代工業全集中在有限的幾個市中心。
Industrial development is being concentrated in the South of the country.

工業的發展現正集中在該國的南部。
The message is concentrated in the last paragraph.

信息集中在最后一段。

但愿你能集中注意力聽我講。
You should concentrate on the road when you're driving.

開汽車時注意力應集中在路上。
I can't concentrate on my work when I think of my sick child.

我想到生病的孩子時就無法專心工作。
Many firms are concentrating on increasing their markets overseas.

許多公司正在集中精力開拓它們的海外市場。 concentrate sth on sth
We must concentrate our efforts on finding ways to reduce costs.

我們要集中精力找出降低成本的辦法。
He concentrated his attention on the question of technology.

他將注意力全都貫注在技術問題上。
If you concentrate all your energies on the study of English, you will master the language.

你若全力以赴地學習英語,你會掌握這門語言的。
I tried to concentrate my attention on my English studies.

我努力把我的注意力集中到我的英語研究上。