distinct
a.清楚的；不同的，独特的
She has very distinct handwriting.
她的字迹非常清晰。
Taiwanese is a dialect (which is) completely distinct from Mandarin.
台语是完全不同于国语的一种方言。
exception
n.例外，除外
There is no rule without exceptions.
所有规则皆有例外。
Most boys like football, but my son is an exception.
大部分男孩都喜欢足球，但我儿子却是个例外。
With the exception of his ill temper, John is quite a nice person.=Except for his ill temper, John is quite a nice person.
约翰除了脾气坏之外，为人倒是挺不错的。
occupy
vi.拥有；占据；使忙碌（=busy)
Mr. White occupies an important position in the government.
怀特先生在政府里身居要职。
The building occupies an entire block.
这栋建筑占据了一整个街区。
Those workers were occupied with building a new road.=Those workers were busy building a new road.
那些工人正忙着建造一条新路。
occupation
n.职业；占领
I'm a teacher by occupation.
我是一名老师。
My ideal occupation is teaching at an elementary school because being with little children makes me feel young.
我理想的职业是在小学教书，因为跟小朋友在一起让我有年轻的感觉。
The occupation of the country by the enemy lasted six years.
敌人占领该国达6年之久。
explanation
n.说明，解释
The teacher gave a satisfactory explanation of the process.
这位老师把这程序作了令人满意的说明。
initial
a.初期的 n.(姓名的）第一个字母
Paul's initial effort was a failure, but he kept trying and finally succeeded.
保罗最初的努力失败了，但他继续尝试最后终于成功。
The picture was signed with the initials which stood for James Brown.
这幅画落款的姓名缩写是，代表詹姆士·布朗。
initially
adv.开始时，最初（=in the beginning)
Initially, the boy was nice to the girl, but eventually he left her.
刚开始男孩子对女孩子蛮好的，但后来却离开她。
estimate
vt.估计 n.估计
Please give me a rough estimate of how much time you'll need to complete the project.
请预估一下您需要多长时间来完成这项工程。
It is estimated that 20,000 people will participate in the demonstration.=An estimated 20,000 people will participate in the demonstration.
估计将有2万人参与这次的示威游行。
relative
a.有关联的；相对的；相当的 n.亲戚
These facts are relative to the case.
这些事实和本案有关。
We must weigh the relative advan tages of buying a house and renting an apartment before making a final decision.
我们必须衡量买房子和租公寓的相对利益再做最后的决定。
The couple live in relative luxury.
这对夫妻生活相当奢华。
Jack finds Amy's relatives hard to get along with.
杰克发现阿美的亲戚不太容易相处。
relatively
adv.相当地
This washing machine is relatively easy to operate.
这台洗衣机相当容易操作。