对于美声歌唱艺术, 语言中的语音是最重要的部分.
③eupepsia 消化良好：eu：good；well+peps（消化；胃）+-ia（表名词,\病\）→eupepsia 消化良好
46、ex- ：out;out of；前任的、以前的；表示“使”、“做”，或作加强意义 ①export 出口，输出：ex：out+port港口→export从港口运出去即出口 Prohibition was laid on the export of coal.
②ex-president 前任总统：ex前任的+president总统→x-president 前任总统 ③exalt 使升高，增高：ex使+alt高→exalt 使升高，增高 He was exalted to the position of general manager.
④excruciate 施刑，使苦恼：ex作加强意义+cruciate十字形的，十字状的→excruciate 施刑，使苦恼
（文化背景：在西方文化中，耶稣基督是被他的第十三个徒弟犹大出卖的，然后被教会绑在十字架上烧死的，所以十字架在西方文化中象征着刑罚） In the following it was the game—excruciate on the newspaper. 接下来是轻松活泼的“报纸上的拷问”游戏活动。 47、exo- ：外、外部
①exobiology 外空生物学：exo外、外部+biology生物学→exobiology 外空生物学
Maybe you need a refresher course in theoretical exobiology.
②exosphere 外大气圈：exo外、外部+sphere领域、范围→exosphere 外大气圈
Last is the exosphere, which is the outermost layer of the atmosphere. 最后是散逸层，这是大气的最外层。
③exogamy 异族通婚：exo外、外部+gamy→exogamy 异族通婚 For two millennia, exogamy was a major transgression for Jews. 两千年来, 异族通婚一直是犹太人的一大禁忌. 48、extra- ：以外、超过
①extraordinary 格外的：extra以外、超过+ordinary普通的→extraordinary超过普通的即格外的
His extraordinary skill was praised by all.
②extrapolitical 政治外的，超政治的：extra以外、超过+political政治的→extrapolitical 政治外的、超过政治的即政治外的，超政治的 Extrapolitical activities are beyond students’ responsibility. 政治外的活动不是学生们的责任。
③extracurriculum 课外的：extra以外、超过+curriculum课程→超出正常课程外的即课外的
His parents restricted his extracurriculum activities. 49、fore- ：ahead；ahead of
①forehead 前额：fore（ahead of）+head头→forehead（ahead of head头的前部即前额）
She lightly touched his forehead.
②foreword 前言，序言：fore（ahead of）+word→foreword在文章之前的词句即前言、序言
She has written the foreword to a book of recipes.
③foretell 预言：fore（ahead）+tell告诉→foretell提前告诉即预言 to foretell the future 预言未来 50、hecto- ：百
①hectogram 百克：hecto百+gram克→hectogram百克 ②hectowatt 百瓦：hecto百+watt瓦→hectowatt 百瓦
③hectoampere百安培：hecto百+ampere安培→hectoampere百安培 51、hemi- 半
①hemisphere 半球：hemi半+sphere范围、领域→emisphere 半球 If you cut a round fruit into two, each half is a hemisphere. ②hemicycle 半圆形：hemi半+cycle圆→hemicycle 半圆形
The inner container is stainless steel, hemicycle structure is easy to clean.
采用镜面不锈钢内胆，四角半圆弧易清洁。
③hemicrania 偏头疼：hemi半+cran+ia病→hemicrania 偏头疼
Acupuncture is the most effective treatment for this kind of disease (backache, hemicrania, sleeplessness). 针灸对这种病（腰痛、偏头痛、失眠）最有效。 52、hepta- ：七(在母音前作hept-)
①heptagon 七角形：hepta七+gon→heptagon 七角形 ②heptode 七极管：hept七+ode→heptode 七极管
③heptahedron 七面体：hepta七+hedron→heptahedron 七面体 53、hetero- ：异
①heteropolar 异极的：hetero异+polar极→heteropolar 异极的
All the objects in the universe are heteropolar objects and the structures of all objects in the universe are formed by the overlapping of the Taiji structure.
宇宙事物都是有极事物，宇宙中一切事物结构都由太极结构重叠而成。 ②heterodoxy 异教，异端：hetero异+doxy→heterodoxy 异教，异端 He was already beginning to display quiet symptoms of heterodoxy. 当时,他已开始暗暗流露出叛离正统的迹象.
③heterosexual 异性的：hetero异+sexual有性别的→heterosexual 异性的 The handsome, nice and heterosexual men are married. 54、hexa- ：六(在母音前作hex-)
①hexagon 六角形：hexa六+gon→hexagon 六角形
The library with the hexagon shape always attracts students. ②hexode 六极管：hexa六+ode→hexode 六极管 multiplex hexode system 六路复用系统
③hexameter 六韵步诗：hexa六+meter米→hexameter 六韵步诗
Reserving hexameter poetry and Comedy for consideration hereafter. 以后再谈六步格诗和喜剧吧。 55、holo- ：全
①hologram 全息图：holo全+gram写，画，文字，图形→hologram 全部的图形即全息图
One may also discover one's hologram swapped out for another. 你也可能发现你的全息图被和别人所交换。
②holography 全息照相术：holo全+graph（y）图表、书写符号→holography全部的图标引申为全息照相术
A quite important application of lasers is in holography. 激光的一个十分重要的用途是用在全息摄影方面。
③holophone 声音全息记录器：holo全+phone（发声或使用声音的）工具→holophone 声音全息记录器
HoloPhone 3D delivers real 3D hologram fun for all ages. 56、homo- ：of the same
①homograph 同形异义词：homo（of the same）+graph（y）图表、书写符号→homograph在外形上是一样的，只是意思不一样即同形异义词 There are many homographs in English vocabulary.
②homotype 同型：homo（of the same）+type类型→homotype相同类型的即同型
The youngster replied without blinking an eye:\am afraid it will go with you, because it want to play with its homotype.\
小男孩眼睛都没有眨一下就说:我怕它跟你们走了，因为它最喜欢和它的同类玩了。
③homocentric 同中心的：homo（of the same）+centric（中心的）→homocentric有同一个中心的即同中心的
The background was comprised of three homocentric white circles. 背景由三个同心白色圆形线条组成. 57、hyper- ：above;excessive;too much
①hypercritical 吹毛求疵的:hyper(excessive过度的）+critical批评的，爱挑剔的→hypercritical 吹毛求疵的
He is hypercritical of the local political system. 他对当地政治系统有强烈的批评。
②hypersensitive 过敏的:hyper(excessive过度的）+sensitive敏感的→hypersensitive过度敏感的即过敏的
So its hypersensitive test before injection is important. 故用药前的皮试尤为重要。
③hypercorrection 矫枉过正:hyper（too much）+corrction纠正、改正→hypercorrection改正的太多了即矫枉过正
Hypercorrection，in some sense，is equal to no correction. 矫枉过正在某种意义上说和没有纠正是一样的效果。 58、hypo- ：下、低、次、少
①hyposensitize 减弱...的敏感度：hypo下、低+sensitize使某事物或某人敏感→hyposensitize 降低或减少事物或某人对某物的敏感度即减弱...的敏感度 ②hypodermic 皮下的：hypo下、低+dermic皮肤的→hypodermic在皮肤下面的即皮下的
He was frightened at seeing the hypodermic needle. 看到那个皮下注射针头他害怕极了。
③hypothermia 体温过低：hypo下、低+therm热+ia病→体内的热量较低即体温过低
Every winter some old people die from hypothermia. 59、il- ：(用在l之前)不、无、非；加强或引伸意义 ①illegal非法的：il非+legal合法的→illegal 非法的
The jewellery firm is just a front for their illegal trade in diamonds. 该珠宝公司不过是进行非法的钻石交易的幌子。
②illiterate文盲：il无+literate有读写能力的；有文化修养的→illiterate没有读写能力的，没有文化修养的即文盲
A small but significant number of 11-year-olds are illiterate. ③illustrate 举例说明，图解：il表示引申意义+lust光+ate动词后缀→illustrate使…光明，引申为说明
In this section, I'll illustrate some of these differences.