时间:2019-03-13 作者:英语课 分类:英文语法词汇


英语课

   介词about用法小议


  1. 表示“大约”,通常用于数字前。如:
  It costs about $10. 这需10美元左右。
  He arrived at about 10 o’clock. 他大约10点钟到达。
  2. 在动词 know, hear, speak 等之后用不用介词 about, 含义有差别。如:
  I have heard about him, but I don’t know him. 我听到过一些关于他的事,但不认识他这个人。
  I’ve heard of him, but I don’t know about him. 我听说过他,但我不知道有关他的情况。
  试比较:
  He knows her. 他认识她。
  He knows of her. 他知道有她这样一个人。
  He knows about her. 他知道有关她的情况。
  3. about和on均可表示“关于”,但about主要指泛泛地或非正式地谈论某事,其谈论的内容也较为普通;而on则指比较有系统地或理论性较强地论述某事,其论述的内容较正式或较严肃。比较:
  He wrote on mathematics 1. 他撰写数学著作。
  He wrote about the school. 他报道有关这所学校的情况。
  It is a book on birds. 那是一本论及鸟类的书。(可能是一本学术著作)
  It is a book about birds. 那是一本关于鸟的书。(可能是一本供小孩看的关于鸟类的故事书)
  4. 注意不要按汉语意思,在一些及物动词后误加介词 about,而在一些不及物动词后该加 about 时却漏加。如:
  他没什么不满吧?
  误:He has nothing to complain, does he?
  正:He has nothing to complain about, does he?
  析:表示抱怨某事时,complain 不及物,其后需接介词 about 或 of 再带名词或代词作宾语。(本句中 about 的逻辑宾语是 nothing)
  我们会尽快讨论此事的。
  误:We'll discuss about it as soon as possible.
  正:We'll discuss it as soon as possible.
  析:discuss(讨论)为及物动词,后接宾语时,无需用介词。类似地,英语说 consider sth, 而不说 consider about sth;可说 doubt sth, 而不说 doubt about sth;可说 explain sth,而不说 explain about sth;可说 report sth,而不说 report about sth;等等。

n.(用作单)数学;(用作单或复)计算(能力)
  • He has come out in front in the study of mathematics.他在数学方面已名列前茅。
  • She is working at a difficult problem in mathematics.她在做一道数学难题。
标签: 介词
学英语单词
2'-phosphodiesterase
a cutie pie
abnormal focal length
aggregation of individual preferences
air inlet valve of dredger's deliving pipeline
air-guns
alcala de la selva
archeri
Ariquemes
assinie
Auberger blood group system
Banbayan Pt.
bar rack
be food for worms
between-class correlation
Brachypodium sylvaticum
calex
capon test
carbon steel
catch copy
Central I.
chantha
chromophobic
couchful
day disk
deformational stress
detonation point
deutscheland
drive out of
duramatral
echymose
Elephanta Island
expected yield
fadged
fermentation inhibitor
floating point unit
folded and grooved seam
go hard or go home
half titles
harker lines
hideosities
Higher bid
imperialls
insinuate
iris detachment
Jeans viscosity equation
lactocidin
lbgs
lead metasilicate
left atrium failure
Liberation Tigers of Tamil Eelam
lock cylinder
loi-cadre
M.H.R.
macromitrium ferriei
marie dolores eliza rosanna gilberts
membranogenesis
mesh side cutter
Minskian
nodes
nonitemized
normal congruence
observantially
order parameter
pachometers
papular pruritic gloves and socks syndrome
paroxysmal coliky pain
patent licence-agreement
Phulsāri
pioneering work
plain ashlar
plant ledger card
pork fillet
preconising
PSD (power spectral density)
ragtop
relish
residual valency
Santa Maria, I.
satish
scientific data processing
search and seizure
Seawater Quality Standards
sharpness of focusing
side-by-side
Simonart band
Sleepwell
smazes
spherochromatism
starch slurry
stop-and-direction-indicator-lamps
storage cathode ray tube
sweetkin
tabby-cats
teamkillers
tetracontagons
tip clearance area
Tossåsen
uppermost part
us sea
water ejection tube
you're a star