1、able ability enable capable be able to do能够做…

have the ability to do 能够做，有能力做…：

He has the ability to make very good boat.

enable sth to do 使…能做…：

Internet has enabled us to get information from all over the world.

Be capable of 能够做…：He is capable of drawing oil painting.

He is able to read and write in English.

2、absent 反义词：present

3、abroad 国外，海外：live;go

Many young people are eager to go abroad to study.

4、access：入口，途径;机会，权利。Have access to sth.

Citizens in the town all have access to the books in the local(当地的)library.

5、absorb 吸收 be absorbed in 全神贯注于…

All the students are absorbed in Professor's lecture on China's economy.

6、accept 接受 receive 收到(不一定接受)

She received a gift from him，but she didn't accept it.

7、by accident=by chance 偶然地 on purpose 故意地

8、according to 根据

According to the article，environmental pollution has been taken under control.