词根：rob = strong, strength

  来自拉丁语的rob 意为 strong,strength。同义词根有来自拉丁语的fort/forc,firm,bil等，以及来自拉丁语的意为strong,worth的val。

同源词：

1. corroborate（使非常有力 cor<com(=intensive) + robor(=strength)）
  vt.确证
  corroboration n.确证
  corroborative adj.确证的
  corroborant adj.滋补的；确证的；(n.)强壮剂
  The bartender corroborated the suspect's alibi for his whereabouts on the night of the murder. 酒吧男招待证实了谋杀发生当嫌疑人不在犯罪现场。

2. robot
  n.机器人；机械呆板的人

3. robust
  adj.强健的；健全的；结实的
  robust young man / appetite 健壮的年轻人/旺盛的食欲

词根：ban = prohibition, control

  来自拉丁语境的ban 意为prohibition,control。

同源词：

1. banal （必须禁止的、控制的 ban (=prohibition,control)
  adj.平凡的；阵腐的
  banality n.平凡；阵腐
  I was having a banal conversation with the bartender when the earthquake hit.地震发生时，我正在和酒吧的招待员闲聊。

2. banish
  v.流放；放逐；把...驱逐出境；消除
  banishment n.流放，放逐，驱逐
  go into banishment 被流放
  He was banished from the realm.他被驱逐出境了 banish care 消除烦恼

3. bandit
  n.强盗 *dit(=give)
  banditry n.强盗行为

4. contraband *contra(=against)
  n.违法交易（品），违禁品；走私（品）
  adj.禁运的；违禁（品）的
  contraband of war 战时禁运品 absolute/unconditional contraband绝对禁止的非法交易品（如武器、弹药等）
  conditional contraband 有条件禁运品（如食品、棉花等）
  contraband goods禁运货
  contraband trade 违禁（品）买卖

词根词缀：a-, ab-, abs-

【来源及含义】Latin: prefix; from, away, away from

【相关描述】This prefix is normally used with elements of Latin and French origins (abs- usually joins elements beginning with c, q, or t).

The form ab- is regularly used before all vowels and h; and it becomes a- before the consonants m, p, and v. The prefix apo- has similar meanings.

This list is a very small sample of the multitudes of a-, ab-, abs- prefixes that are available in dictionaries and those in this unit are only meant to present a few examples.

【同源单词】abampere, abampere centimeter squared, abampere per square centimeter, abarticular, abarticulation, abbreviate

词根词缀：articul-, artic-

【来源及含义】Latin: joint, divide into joints, segment into joints; speak distinctly

【同源单词】abarticular, abarticulation, article, articular, articulary, articulate

词根词缀：-ation, -ization, -isation

【来源及含义】Greek > Latin: a suffix; action, act, process, state, or condition; or result of doing something

【相关描述】Although there are over 1,450 word entries ending with -ation or -ization listed in this unit, there are certainly many more which exist in the English language. At any rate, this unit provides a significant number of -ation and -ization examples for you to see.

【同源单词】abarticulation, abbreviation, abdication, abdominal examination, aberration, abevacuation

词根词缀：-poly, -pole, -polism, -polist, -polists, -polistic, -polistically

【来源及含义】Greek: used as a suffix; sale, selling; one who sells; pertaining to selling, to sell; trade, barter

【相关描述】Don’t confuse this -poly with another poly- which means “many, much” or with -polis, "city".

【同源单词】antimonopoly, bibliopole, bibliopolism, bibliopolist, bibliopoly, duopolist

词根词缀：-ular

【来源及含义】Latin: of, relating to, or resembling; compound of the suffixes -ule, "little, small" and -ar, "pertaining to, of the nature of, like"; and so, -ular is a combining form meaning: referring to something "specified": appendicular, molecular, pedicular; as well as, a combining form meaning "resembling" something specified: circular, globular, tubular

【同源单词】abarticular, acellular, acicular ice, acinotubular, acromioclavicular, acutangular