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
acceptability when radiographed
acid pimelate
acute mercurial poisoning
anti-cavitation plate
araneus cavaticuss
axial float
B-tectonite
belly-laughs
bench flume
biological indicator
brilliant fracture
cabrals
Carex cruciata
carpet-knight
charismatic leadership
circarama camera
collodion dry plate
comero
computer system monitor csm)
cryofocusing
current meter measurement
Cyperus nipponicus
dappled-grey
disfleshes
distribution of tax burden
dominical altar
dutiable commodities permit
elobromo
English wool
entomophaga
eucatropine hydrochloride
expender
extremity girdle
field sweep
French method roofing
genus Cistothorus
gland steam receiver
glume spot of rice
go in couples
godelier
great plains of north americas
Group of Rapporteurs on Container Transport
Guaconization
hand sleeve
harperperennial
hillmen
hob-type magnetron
hole-basic system of fits
hotmelt
house-duty
ignition heat
instinct theory
insufficiency of eyelids
internal cork
iron-54
itrocainide
jet impact force
Jones Pt.
Kangaroo Valley
Lappula caespitosa
lentour
letter disc
make one's own luck
molybdoflavoproteins
motted
noninstinctive
on the plane
pay off debt
periodic waves marker
pickled vegetable
pickoff
plant steam exhauster
polystichopsis dimorphylla shieh
premixings
proton-electron spectrometer
pseudotetragonal
purplish-lilac
Ritz method
safety shoes
Scenedesmus costatus
second purple light
sir richard
soda-Richterite
somatogen
spermodochidia
step down voltage regulator
sulphidisation
switching impulse sparkover voltage
termination point of a vessel
time-stretches
track with
transhipment surcharge
translation invariant function algebra
Trinidad, G.
tumor specific antigen
ultra-high-altitude photograph
undictionaried
vv. sigmoide?
washdown station
Wilsoniella
yakimowski
Zāwiyat Qirza