New words：

dishonor [dis'ɔnə]
n.耻辱；丢脸；【商】(票据的)拒绝付款
v.使丢脸；不尊重；不履行

in honor of 向…表示敬意；为纪念

Sample Sentences：

He would rather die than live in dishonor.
What he had done brought dishonor on/to the family.

What he had done dishonored the family.
He dishonored his team by cheating during the competition.

Many people plant things in honor of Earth Day.
We should mark his name down in history by having a school in honor of him.

New words：

honor ['ɔnə]
n.荣誉；荣幸；尊敬；名誉
v.尊敬；尊重；接受；给与…的光荣

Sample Sentences：

He is an honor to our school.
We fight for the honor of our country.

The government honored him with a medal.
Would you honor me by dining with me tonight?

New words：

shortage ['ʃɔ:tidʒ] n. 短缺；不足；缺少

Sample Sentences：

Rescuers are facing a shortage of supplies.
There is a shortage of fresh water on the island.
There was a shortage of oxygen at the top of the mountain.

New words：

severe [si'viə] adj. 极为恶劣的；十分严重的；严厉的

Sample Sentences：

His injuries are severe.
The general had a severe manner.
My uncle became severe when I was late.
The bad harvest led to severe food shortage.
She received severe head injuries in the accident.

shortage ['ʃɔ:tidʒ] n. 短缺；不足；缺少

New words：

pollution [pə'lu:ʃən] n. 污染；污染物

Sample Sentences：

We have freed the lake from pollution.
The new law will reduce pollution of the rivers.
We are sad about the pollution of our beaches with oil.
Many beautiful fish are fast disappearing because of the severe pollution.

severe [si'viə] adj. 极为恶劣的；十分严重的；严厉的