词根:sid(sed, sit), sess(sid) = to sit 坐
词根sid来源于拉丁语的不定式词干 sidere,词根sess来自动名词词干,都意为to sit(坐)或to settle(安定)。sid为元音弱化后形成的词根。sid,sess属于一对同源异形根,反义词根有来自拉丁语的st,stat,stit,sist等。
同源词:
1. assiduous [一直坐着的as<ad(=to,intensive)+sid(=sit)]
adj.“constant or unwearied in application; diligent 刻苦的;勤奋的:He is assiduous in his study 他学习勤奋。
assiduity [as-; sid;-u-;-ity n.]n.刻苦;勤奋
2. preside [before前;sid= to sit 坐;-e- “to sit before others 坐在其他人前面”] v. sit in authority; act as chairman 主持;作会议主席:
to preside at a meeting 主持会议
presider n.(会议的)主席;主持者
presidium n.主席团;常务委员会
3. president v.主持,当权;-ent n.= person 人 →]
n.person chosen to preside over a nation. university or any other organization 总统;大学校长:会长:社长等
presidency n. 总统等的职位或任期
presidential adj. 总统(或校长等)的
4. reside [re-= back,down 回,下;sid = to sit or settle 坐,安放:-e → "to sit backward, to settle down 靠背安坐,安顿下来” →]
v. make one's home at a place 安家,居住:to reside in the city 在城市居住
resident n. 居民
residence n. 居住;住宅
5. subside [sub- = under,down下;sid= to sit or settle 坐,停留:-e →“to settle down 停在下面,停息”→]
v. ①sink down 下沉;沉降:The building subsides gradually. 这座房子逐渐下沉。
②fall into a state of quiet 平息:The wind has subsided 风停了。
subsidence n.下降;沉降;平息
6. dissident [dis-= apart 分开;sid= to sit 坐;-ent n. = person 人世间→ "person who sits apart from others 与别人分开坐的人”→]
n. person openly disagreeing with an opinion; dissenter 持异议者;反对者:political dissidents 持不同政见者
dissidence [dis-; sid; -ence n.] n. 异议;不一致
7. insidious [in- = in 内;sid= to sit 坐;-i-; -ous adj. = like 像……的_→ "like sitting in a hidden place,like setting an ambush 像坐在暗处的,像打埋伏的”→]
adj. ① intended to entrap 伺机为害的:insidious diseases 暗疾
②deceptive; treacherous 暗中为害的;阴险的:an insidious tempter 阴险的诱惑者
insidiousness n. 阴险;狡诈
8. session [sess= to sit 坐;-ion n. = the act or state 表行为或状态 →]
n. ① act of sitting 坐;就座
②sitting or time of sitting, as of a court or public body 开会;开庭;会期;开庭期:plenary session 全体会议
sessional adj. 开会的;开庭的
9. possess [pos(来自potis) = able 能……的;sess= to sit 坐→ "to be able to sit in a place 能坐在一个位置上”→]
v. ① inhabit or occupy 居住于;占据
② have or hold as property own 具有;占有:He possessed landed property 他拥有地产。
③ maintain or control 保持;控制:She was possessed by the desire to be rich 她被发财的欲望所支配。
possessor [possess; -or n.] n.占有人;所有人
possession [possess;-ion n.] n.占有;占有物;财产;领地
possessive [possess; -ive adj.] adj. 占有的 n.[语法]所有格
10. assess [as-(ad-) = to,at在;sess= to sit坐→“(judges in a court) to sit at or sit by(法官等在法庭)就座”→ "to judge or estimate 作判断,估计”→]
v. ①fix the value or profits of 对……进行估价:His property is assessed at one million dollars 他的财产估价为100万元。
② decide the amount of(a tax)征收(税款):to assess a tax of ten pounds 征税10镑
assessment [assess; -ment n.] n.估价;评价
assessor [assess; -or n.] n. 估价财产的人;确定税款的人
assessable [assess; -able a.] adj.可估价的;可征税的
11. sedate [sed=sid坐+ate……的→坐着的,文静的]
adj.文静的
12. consider [con全部+sid坐+er→坐在一起→考虑到]
v.考虑,细想;体谅,顾及;认为,把…看作
13. supersede [从上往下坐下 super(=over)+ sed(=sit)]
vt. 代替;取代
supersession n.取代
Model AE-400x supersedes Model AE-200.模型AE-400X取代AE-200。
14. obsession [妨碍地坐着ob(=in the way)+sess(=sit)]
n.着迷;迷住
obsess v.妄想、固有观念等)萦绕心头,不停地困扰
obsessive adj. 使人着迷的
Eating is my hobby. Shopping is my obsession! 吃东西是我的兴趣,购物让我着迷!
15. sedan
n.箱式小客车(可容纳4人以上);(17 - 18世纪的)轿子
sedan chair 轿子
16. sedimentary
adj.沉渣的,沉淀物的;由沉淀物生成的
sedimentary rocks 沉积岩(如粘板岩、石灰岩等)
17. sedulous
adj.坚忍不拔的;勤勉的,刻苦的;小心周到的
pay him sedulous attention 密切地关注他
18. saddle
n.马鞍; (自行车或摩托车的)车座; 鞍形架,鞍状物; (动物的)脊肉
vt.& vi.给(马)装鞍
vt.使承担
19. possess
v. 持有,拥有;控制;(恶魔、邪念等)缠住,迷住(某人) *pos (=powerful,able)
possess a large fortune 拥有大量财产
be possessed with/by devils 着魔的
be possessed with the idea that someone is persecuting him 着魔地认为有人在迫害他
be possessed by envy 内心充满嫉妒
20. possession
n. 所有;(pl.)所有物;财产 *pos(=powerful,able)
illegal possession of arms 非法持有武器
a man of great possessions 富翁
21. possessive
adj.所有的;所有权的;[语]所有格的;占有欲强的
possessive manner 极具占有欲的态度
possessive adjective/case/pronoun 所有格形容词/所有格/所有格代词
词根:vad, vas(wad) = to go
来自拉丁语的vad,vas意为to go。变形为wad,同义词根有来自拉丁语的ced/cess(ceed,ceas),grad/gred/gress,it 和算来希腊语的bat(bet,bit)以及来自盎格鲁-撒克逊语的fare。
(*拉丁文vadere(=to go)——英文字根字典)
同源词:
1. pervade (这儿、那儿,一一走遍per(=through,throughout) + vad(=go))
vt.遍及;弥漫于,渗透于
pervasion n.弥漫,渗透;普及
pervasive adj.遍及的,普遍深入的;渗透的
According to conservatives,harmful violence pervades a lot of television programming.保守主义者认为,有害的暴力行为渗透到了很多电视节目中。
2. invade
v.入侵,侵略;侵害;大批进入 *in(=into)
invasion n.入侵,侵略
invader n.侵略者,入侵者
city invaded by tourists 游客大批涌入的城市
3. vade-mecum
n.随身携带品;袖珍指南手册 *mecum(=together with me)
4. wade
n.涉水而过(江、河等) *wad<vad(=go)
5. waddle
v.蹒跚而来 n.蹒跚,摇摆的步子 wad<vad(=go)
6. evade
v. 逃避;闪避(逃避在外面)《a- = ex- =out》
词根:varic- = to straddle 跨坐, 横跨, 跨越
词根varic来源于拉丁语的varic 意为to strade。
prevaricate [使事先观望pre(=before) + varic(=straddle)]
vi.说谎;含糊其辞,推诿;支吾
prevarication n.说谎;支吾
Most young children will prevaricate to avoid punishment.大多数小孩儿都会为躲避惩罚而说谎。
词根:vad
vad (vas)=walk,go行走
invade [in-入,vad走;’走入”→闯入] 侵入,侵略,侵犯
invader [见上,-er表示人] 入侵者,侵略者,侵犯者
invasion [见上,vad=vas,-ion名词后缀,表示行为] 入侵,侵略
invasive [见上,-ive形容词后缀,…的] 入侵的,侵略的
evade [e-外,出,vad走;’走出”→逃出] 逃避,躲避
evasion [见上,-ion名词后缀] 逃避,躲避,回避
evasive [见上,-ive形容词后缀,…的] 逃避的,躲避的
pervade [per=throughout全,遍,vad走;’走遍”] 遍及,弥漫,渗透,充满
pervasion [见上,-ion名词后缀] 遍布,弥漫,渗透,充满
pervasive [见上,-ive形容词后缀,…的] 遍及的,遍布的,弥漫的,充满的
wade [w=v,wad=vad行走] 跋涉,费力地前进
waddle [见上,wad=vad行走,d重复字母,-le动词后缀,表示反复,连续动作] 摇摇摆摆地走,蹒跚