前缀:a-
【词根含义】:在,到;来,临近;离开;否定;副词前缀;加强意义
【词根来源】:来源于古英语和中古英语a-, an, on。
【同源单词】:aboard, abroad, acentric, across, ago
词根:(a)esthet, (a)esthes = to feel
词根(a)esthet,(a)esthes 来自希腊(a)esthet,(a)esthes意为 to feel。同义词根有来自拉丁语的sent/sens,pat/pass 和来自希腊语的path。
同源词:
1. anesthesiologist(使变得没感觉的人 an(=not,without) + esthes(=feel))
n.麻醉师
anesthetize v.使麻醉
anesthesia n.麻醉
anesthetist n.麻醉师
anesthesiology n.麻醉学
anesthetic adj.麻醉的;(n.)麻醉剂
Anesthesiologists prevent surgical patients from feeling discomfort. 麻醉科医生使手术患者避免感到疼痛。
2.(a)esthete
n. 唯美主义者,审美家
(a)esthetical (=(a)esthetic) aesthetic person 有审美眼光的人
aesthetic standards 审美标准
3.(a)esthetics
n.美学
(a)estheticism n.唯美主义
前缀:a-
① 加在单词或词根前面,表示"不,无,非"
acentric 无中心的(a+centric中心的)
asocial 不好社交的(a+social好社交的)
amoral 非道德性的(a+moral道德的;注意:immoral不道德的)
apolitical 不关政治的(a+political政治的)
anomalous 反常的(a+nomal正常的+ous)
② 加在单词前,表示"在…,…的"
asleep 睡着的(a+sleep睡觉)
aside 在边上(a+side旁边)
ahead 在前地(a+head头)
alive 活的(a+live活)
awash 泛滥的(a+wash冲洗)
前缀:a-
1、无、不、非
acentric 无中心的
asocial 不好社交的
atypical 非典型的
asymmetry 不对称
adynamic 无力的
aperiodic 非周期的
amoral 非道德性的
asexual 无性别的
apolitical 不关心政治的
ahistorical 与历史无关的
2、含有in,on,at,by,with,to,of等意义
asleep 在熟睡中
aside 在一边
abed 在床上
ashore 向岸上,在岸上
afield 在田里,在野外
aground 在地面上,搁浅
ahead 向前,在前头
abreast 肩并肩地
afoot 徒步
atop 在顶上
afire 在燃烧中
aback 向后
3、加强意义
aloud 高声地
awake 唤醒,使醒
await 等待
arise 起来,升起
afar 遥远地
aright 正确地
aweary 疲倦的,厌倦的
ashamed 羞耻的
alike 相同的(地)
awash 被浪潮冲打的
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:a-, an-
【来源及含义】Greek: prefix; no, absence of, without, lack of; not
【相关描述】These prefixes are normally used with elements of Greek origin, a- is used before consonants and an- is used before vowels.
It affects the meanings of hundreds of words.
There are too many words that use these prefix elements to list all of them on this site; however, there are significant examples listed in this and the other units where they exist.
【同源单词】abacterial, abaptism, abarognosis, abasia, abiocoen, abiogenesis