整理了一下 custom（习惯） 这个词的词区：
基础部分：
| 基础释义 | 容忍 |
| 名词 | custom |
| 复数名词 | -s |
| 形容词 | customary |
| 副词 | customarily |
动词形态：
| 基本形态 | 第三人称单数 | 进行时 | 完成时 | 转词转形容词 |
|:--:|:--:|:--:|:--:|
| accustom | accustoms | accustoming | accustomed | accustomed |
| - | - | - | - | unaccustomed |
形容词：
| 基本形态 | 比较级 | 最高级 |
|---|---|---|
| customary | more customary | most customary |
custom 在表示（定制）的意思的时候词区比较大，以后有机会整理，custom还有两个常用的意思，一个是：（海关）（关税），另一个是（顾客）
背到过两个关于论文的单词：paper & essay
查了一下两者的区别：《Difference Between an Essay & a Paper》[1]：
Students in high school, college and graduate school are often taxed with writing essays and term papers on a variety of topics. However, while the two pieces of writing seem to be the same, it's important to note the differences between them in order to produce the best work possible.
Elements of a research paper
According to Empire State College, a research or topic paper presents and defends an argument, or analyzes a particular perspective, with evidence provided. Whatever topic you choose to present, you back that topic up using support from other people's ideas and information. The goal is to delve into the knowledge provided by other people in order to formulate and back up your own ideas.
Elements of an essay
An essay is formulated based on your own thinking; that is, you have to use your own voice. The purpose of an essay is to focus on one question, a thesis, and use the essay to answer the question. To answer the question, you depend upon your own experiences in conjunction with any available research. Generally essays are formulated as introduction, body and conclusion.
Main differences
The main differences between an essay and a research paper is that a research paper is typically much longer. An essay is usually three to five paragraphs, in comparison to a research paper that is multiple pages. Additionally, a research paper usually analyzes or argues a point, while an essay serves to answer a question. Finally, a research paper depends upon the knowledge of others to prove your point, while an essay is largely dependent upon your own thoughts and experiences.
Downing Street（唐宁街），第一次看到英文的时候差点下巴没有掉下来，拉了一个伦敦相关的单词列表，简单背掉。
| 中文 | 英文 | 备注 |
|---|---|---|
| 塔桥 | Tower Bridge | |
| 大本钟 | Big Ben | |
| 英航伦敦眼 | British Airways London Eye | |
| 伦敦城堡 | Tower of London | |
| 格林威治天文台 | Greenwich | |
| 白金汉宫 | Buckingham Palace | |
| 国会大厦 | Houses of Parliament | |
| 白厅 | White hall | 英国政府机关所在地 |
| 伦敦市政厅 | Guidhall | |
| 皇家卫队 | Royal Guards | |
| 伦敦警察厅 | Metropolitan Police | |
| 伦敦警察局 | City of London Police | |
| 皇家反恐怖部队 | SAS | |
| 第一特别空勤团 | ISAS | |
| 威斯敏斯特大教堂 | Westminster Abbey | |
| 圣马丁教堂 | St. Martin-in-the-Fields | |
| 拉塞尔广场 | Trafalgar Square | |
| 科芬园 | Convent Garden | |
| 圣詹姆士公园 | St. James' Park | |
| 唐宁街 | Downing Street | |
| 中国城 | Chinatown | |
| 舰队街 | Fleet Street | 英国报业的集中地 |
| 查令十字路 | Charing Cross Rd. | |
| 英格兰银行 | Bank of England | |
| 大英博物馆 | British Museum | |
| 科学博物馆 | Science Museum | |
| 国家画廊 | National Gallery | |
| 伦敦大学 | University of London | |
| 皇家舞蹈学校 | The Royal Ballet School | |
| 皇家音乐学院 | Royal Academy of Music | |
| 皇家艺术学院 | Royal College of Art | |
| 帝国理工学院 | Imperial College of Science,<br /> Technology and Medicine | |
| 伦敦市机场 | London City Airport | |
| 希斯罗（机场） | Heathrow | 世界上最繁忙的空港 |
| 盖特威克 | Gatwick | |
| 伦敦港 | Port Of London |
