考研英语长难句，英语中很多词汇都有相同的词根，这一点只要了解就可以了，对考研英语的学习更是如此。我们更重要的还是要学习每一个词汇的具体用法，比如今天词汇中的apply、application和applicable。他们是同根词，但是每个词汇的常用意思和用法都不太相同，而这也是我们学习的重点。
1、appearance/prns/
appearance是名词，它有两个意思。
首先，意为“外表，外观”。
They've changed the appearance of the whole building.他们改变了整幢建筑的外观。
She had never been greatly concerned about her appearance.她从来不怎么注重外貌。
第二，意为“到来，出现，露面”。
The sudden appearance of her daughter startled her. 她女儿的突然出现吓了她一跳。
He made his first stageappearance at the age of six. 在六岁时他首次登台演出。
The industry has changed greatly with the appearance of new technologies.新技术问世后，这一行业出现了天翻地覆的变化。
2、appendix/pendks/
appendix是名词，指人的“阑尾”，复数加-es为appendixes，也可指书末的“附录”，此时复数为appendices /pendsiz/。
Christine had to go into hospital to have her appendix out.克里丝蒂娜不得不去医院切除阑尾。
There's an appendix at the end of the book with a list of dates. 书后有一个附录，列有年代日期。

3、appetite/ptat/
appetite是名词，意为“食欲，胃口”，引申为“欲望，喜爱”。
I seem to have lost my appetite lately.我似乎胃口不好。
She has an amazing appetite for knowledge.她求知欲极强。
People seem to have an insatiable appetite for news of any kind.人们好像对任何一种新闻都有无穷的兴趣。
4、applaud/pld/
applaud是动词，意为“鼓掌”，引申为“称赞，赞许”。名词形式为applause /plz/，为不可数名词，意为“掌声，喝彩”。
The audience laughed and applauded. 观众边笑边鼓掌。
They rose to applaud the speaker.他们起立向演讲者鼓掌。
He should be applauded for his courage. 他的勇气值得称道。
She got a round of applause when she finished.她结束的时候获得一阵掌声。
5、appliance/plans/
appliance是名词，意为“家用电器，家用器具”。
There's plenty of space for all the usual kitchen appliances.有足够的空间摆放日常厨房器具。
They sell a wide range of domestic appliances — washing machines, dishwashers and so on.他们出售各种家用电器，如洗衣机、洗碗机等等。
6、applicable/plkbl, plkbl/
applicable是一个常见的形容词，意为“合适的，适当的，适用的”。
This part of the law is only applicable to companies employing more than five people. 该法律这一部分条款仅适用于有五名以上雇员的公司。
Much of the form was not applicable to me.表格中很多部分不适用于我。