example 1，3, 9, 27, 81 几何数列；等比数列一 compare ARITHMETIC PROGRESSION
geom-etry
/d3i'Dmatri; NAmE -'aim-/ noun 1 [U] the branch of
mathematics that deals with the measurements and relationships of lines,
angles, surfaces and solids ■几何.（学）2 [sing.] the measurements and
relationships of lines, angles, etc. in a particular object 0犷5113口6几何形状；/1何图形；几何结_:出6尽60016办
〇/a spider’s web蜘蛛网的几何形状
geo-physlcs
/,d3i：0u'fiziks; NAmE ,d3i:ou-/ noun [U] the scientific
study of the earth's atmosphere, oceans and climate 地球物理学► geo.phys.ic.al "fizikl/ ⑽..： geophysicd data 地5表物理资料 geo.physi.c丨st’/-’fizisist/ noun
geo-pol-it-ics /,d3i：0u'pDl0tiks; NAmE ,d3i*〇u'Pcnl7 noun [U+sing./pl. v.] the political
relations between countries and groups of countries in the world; the study of
these relations 地_ 缘政治；'地理政治 geo.poMt:icai /,d3i：aJ>p0'litikl;
NAmE ,d3i:oo-/ adj.
Geor-die /'d3〇:di; NAmE 'd3〇:rdi/ noun (BrE, informaf) 1 [C] a person from Tyneside in
georgette /.dsoi'dset; NAmE ,d3D：r'd3et/
noun [U] a type of thin
silk or cotton cloth, used for making clothes 乔其纱/薄丝或棉织品，用作衣料）
Georgian /'d3〇：d3an; NAmE 'd3〇:rd30n/ adj. (especially of architecture and furniture 尤栺建筑釦秦真).from the time of
the British kings George I-IV (1714-1830) 乔治王朝时期的，乔治一世至四世时代的(1714- 1830 ) : Georgian house优雅的乔治玍朝对期的
房屋
geo-ther-mal, /.dsiiau'Osiml; NAmE .dsiiou'Qsirml/ adj. (geology itfe) connected with
the natural heat of rock deep in the ground 地热的：geothermd energy 地热能 ge°ra-nium /d30'reiniam/ noun a garden plant with a
mass of red, pink or white flowers on the end of each STEM天竺葵；老鹳草
ger-bii /'d33：bil; NAmE 'd33：rbil/ noun a small desert animal
like a mouse, that is often kept as a pet 沙鼠 geri.at.ric /_d3eri'aetrik/ noun 1 geriatrics [U] the branch of
medicine concerned with the diseases and care of old people 老年医学 2 [C] o价m/Ve) an
old person, especially
ane with poor physical or mental health老年人；老头子；老婆子；老年舍人：J’m not a geriatric
yet, you know/ 要知道我还没有老朽！ ► geriatric : the geriatric ward (=
in a hospital)老年人病房 ◊ a geriatric
vehide (= old and in bad condition)老每幸 geria.tri.cian
/•d3eria.triJn/:/iow/7
a doctor who studies and treats the diseases 〇〖old people 老年病科医师；老
年病学专家
germ NAmE d33：rm/ noun 1 [C, usually pi；] a very
small living thing that
can cause infection and disease 微生物；细菌；病菌：■Disin/ectantfcifegerms.消毒剂可
杀菌。◊ Dfrty hands can be a breeding
ground /or germs.脏手会滋生病菌。2 [sing.] ~ of sth an early stage of the
development of sth g源；发端；萌芽:Here was the germ o/a
briHia/it idea.，个余⑪的全i就是从这里 萌发的。3 [C} (b/o/ogy 生）the part of a plant
or an animal that can develop into a new one 起芽；胚原 基；：芽孢；胚胎一see also wheatgerm German /'d33：man; NAmE 'd^irmBYi/ adj., noun ■ oaf/ from or
connected with
Ger-man-ic /d33：'maemk; NAmE d33：r'm-/ adj. 1 connected with or considered typical of
德国人# 样讲究条理。2 connected with the language
family that includes German, English, Dutch and Swedish among others 日耳曼语（族）的
ger. ma.nium /d33:’meiniam; NAmE d33：r-/ noun [u] {symb Ge) a chemical element. Germanium is a shiny
grey element that is similar to a metal (= is a METALLOIb).锗
German 'measles (also ru-bella) noun [U] a mild infectious disease that causes
a sore throat and red spots all over the body. It can seriously affect babies
born to women who catch it soon after they become pregnant•德国麻疼；风疹
.German 'shepherd noun {especially NAm^) = Alsatian
ger-mi-cide /'dssimisaid; NAmE 'd33：rm-/ noun [c, U] a substance which destroys
bacteria，etc..杀菌剂>^1>.1111-
cidal /,d33：mi'saidl;
NAmE ,d33：rm-/ adj. ger-miri-ate /'dssimineit; NAmE 'd33：rm-/ verb when the seed of a plant germinates or is germinated, it starts to
grow (使 > 发芽，萌芽，开始生苌：[V] (//gwraf/ve) An idea/or a
noveZ began to germfnate fn her mind. —加小 说的构思已经在她的头脑中萌发。[also VN] ►
germination /,d33:milneij'n; ,d33:rm-/
/?ow/7 [U]
.germ
'warfare noun [u] = biological warfare ger-on-toc-racy /.dseran'tDkrasi; NAmE -'ta:k-/ noun {pi -ies) [C, U] a state, society, or group governed by old people; government by old people 差人统治■的国家（或
社会、组织）；老人纟女治_861>.〇114〇.〇^，丨《:/(139,1：〇111；9-
'kraetik; NAmE -.rarnta-/ adj.
ger-ont-olo-gist /.dserm'tDladsist; NAmE -ran'tail-/ noun (especially NAmE) a person who
studies the process of peopie growing ol<i 老年学专家 ge-ron-tol-ogy /.dserDn'tDladsi; NAmE -ran'tarl-/ noun [U] the scientific study of old
age and the process of growing old.老年学
ger-ry-man-der (also jer-ry-man-der) /'d3erimaenda(r)/ verb [VN] [disapproving) to change the size and borders of
an area for voting in order to give an unfair advantage to one party in an
election木公正地改划（选区）.，不公
正地划分（选区）（为使某政党获得优势）►geri^man- der-ing (also jer-ryman-def-ing)
noun [U] ger-und /'d3erand/ noun (grammar a noun in the form of the present participle of a verb (that is, ending
in -ing), for example travelling in the
sentence / preferred travelling alone.动名词
ge-stalt /ge'Xtaelt; NAmE also -'Jtailt/ noun (psychology (from German) a set of things, such as a
person’s thoughts or experiences, that is considered as a single system which
is different from the individual thoughts, experiences, etc. within it格式塔,,完形（即有别于耷内
部个体单像、作为单一体系的一系列思想、经验等）
ges. tate /d3esteit; 'd3esteit/
verfc[VN](办/o/ogy
生 or medical E) to carry a
young human or animal inside the womb
until it is born 怀孕；妊娠；孕育
ges-ta-tion /dse'steijn/ noun 1 [u, sing.] the time that the young of
a person or an animal develops inside its mother's body until it is born; the
process of developing inside the mother’s body 妊娠（期.怀孕
(期）：a baby born at 38 weeks’ gestation # 孕 38 烏 时出生的婴儿◊ The gestation period 〇/a horse is about eZeven mon仇s.马的怀孕期夫约.为十一个月。2 [U] {format) the process by which an idea or a
plan develops (想法；计划等的）构思，酝酿，孕育SZEIdevelop-
MENT
ges-ticu-late
/d3e'stikjuleit/ verb [v] to move your hands and arms
about in order to attract attention or make sb understand what you are saying 做手势；用 手势表达；用动作示意：He gesticu/ated at
the
.dodc..他检指着，钟■.打:手势。► ges.t丨cu.la.tion
/dse.stikju'leij'n/
noun [C, U] ： wild/frantic gesticu- Zations发狂似的手势
ges-ture
/'d3estja(r)/
noun, verb
m noun 1 [C, U] a movement that you make with your hands, your head or your
face to show a particular meaning手势；姿势；.示意动作：He made a rude gesture at the driver
o/t/ie ot/ier car.他向另外那辆汽车