New words：

relationship [ri'leiʃənʃip] n. 关系；联系；关联；情感关系

Sample Sentences：

The relationship between them is being improved.
There is a relationship between diet and cancer.
They aren't married, but they have a pretty close relationship.

diet ['daiət] n. 日常饮食；日常食物

New words：

relation [ri'leiʃən] n. 关联；联系；亲戚；亲属

Sample Sentences：

A relation of mine is coming to stay.
There's no relation between the two things.
I don't see any relationbetween the two problems.
We seek to improve relations between our two countries.

New words：

event [i'vent] n. 大事；发生的事情；事件
at all events 无论如何
in any event 不管怎样; 无论如何

Sample Sentences：

At all events, we will carry out the plan.
The election was the main event of 2024.
Next day the newspapers reported the event.
This was an important event in American history.
I'll probably see you tomorrow, but in any event I'll phone.

New words：

related [ri'leitid]
adj.相关的；有联系的；属同一家族的；有亲属关系的
v.“relate”的过去式和过去分词

Sample Sentences：

They are related by marriage.
They are related to each other.
He is my double, though we are not related.
They are closely related as lips and teeth.

New words：

relate [ri'leit] v.联系；讲述；叙述；使有联系

Sample Sentences：

These two events were related to each other.
Chip related his magic adventure to his family.
We should learn to relate the results to the causes.
She related the events of the past week to the police.
It is difficult to relate these results with any known cause.

event [i'vent] n. 大事；发生的事情；事件