干扰项的英文：
disturbance term

disturbance是什么意思：
n. 骚乱；干扰，打扰；忧虑；困扰；烦闷

emotional disturbance
情绪的困扰

It was considerate of you not to disturb us=You were considerate not to disturb us.
你不打扰我们真是考虑周到。

There has been a disturbance in the street.
街上发生了一阵骚乱。

suffer an emotional disturbance
情绪受到困扰.

It is inconsiderate of you to disturb our pleasure
我们高兴时你来打扰，实在是不体谅别人。

term是什么意思：
n. 期，期限；学期；任期；条款；项；条；术语
v. 把…称为，把…叫做

It is a contradiction in terms.
这在措词上是自相矛盾的。

Hip is short term and earnest is long term.
时髦是短暂的，真诚是长远的。

extreme term of proportion
比例外项

We have four terms a year.
我们每年有四个学期。

A semester consists of 2 terms.
一个半学年包括两个学期。