词根：add = to put to 加, 加上

  来源于拉丁语，由前缀 ad- 加上拉丁词 dere 构成。

同源词：

1. addition  [add 加上 + -ition(n.)名词后缀→]
  n. 附加，追加，补充，附加物，加法

2. additional  [add 加上 + -ition (n.)名词后缀 + -al(a.)形容词后缀→]
  adj.附加的，追加的，额外的

3. additionally  [add 加上 + -ition (n.)名词后缀 + -al(a.)形容词后缀+ -ly 后缀→]
  adv. 加之，又，另外

4. additive    [add 加上 + -itive 形容词后缀 →]
  adj. 附加的，辅助的，增加的
  n. 附加，附加物

5. addend  [add 加上 + -end (n.) 表示“物/ 数字/ 器物” → 被增加某物，进而提高该物的数量→]
  n.加数，附加物 /（第一）被加数

6. addendum  [add 加上 + -end (n.) + -um(n.) 表示“对某物或地点更加具体的描述” → 我们可以把附加某物的做法讲的更加具体→]
  n.补遗，补篇，附录，附加物

词根词缀：bull-, bulli-

【来源及含义】Latin: to bubble, a bubble; to blister, a blister

【相关描述】Additional words related to this unit are available at this "bubble" unit.

【相关词根词缀】Cross references of word groups that are related, partially or extensively, to: "blister, bump, swelling": ichor-; papulo-; pemphig-; puro-; pus-; pustu-; pyo-; suppurant-; tum-; vesico-; vesiculo-.

【同源单词】budge, bulla, bulla tympani, bullation, bullectomy, bullition

词根词缀：crystallo-, crystall-

【来源及含义】Greek: crystal, ice, freeze, congeal, frost; icelike, transparent; [especially in reference to a mineral or glass]

【相关词根词缀】Additional related "ice" units: glaci-; grando-.

【同源单词】cryptocrystalline, crystal, crystalline, crystallogram, crystallographer, crystallography

词根词缀：super-, supra-, sur-

【来源及含义】Latin: above, over, more than; excessive

【相关描述】Sur- is a form of super- formed through the French and shouldn't be confused with another assimilated sur- form that comes from sub- and means: "under, below, beneath".

In some words, super- is amplified to mean: "on top of; higher in rank or position than; superior to; greater in quality, amount, or degree than others of its kind; to a degree greater than others of its kind; to a degree greater than normal; extra, additional".

【相关词根词缀】 Related "above, over, beyond the normal, excessive" word units: epi-; hyper-; ultra-, ult-. Inter-related cross references, directly or indirectly, involving word units meaning "more, plentiful, fullness, excessive, over flowing": copi-; exuber-; hyper-; multi-; opulen-; ple-; pleio-; plethor-; poly-; total-; ultra-; undu-.

【同源单词】anterosuperior, archaeological survey, beta-gamma survey meter, costosuperior, cybersurfer, electromagnetic surveying