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
abdella
adjustment residual
adp-ribosylation factor
angelophanies
annealed aluminum wire
baking condition
birth injury of newborn
canthiumine
carect
cell cortex
changkol
chiropterophily
chocolate milks
coating roughness
cohybridized
constant voltage anodizing process
continuation of isomorphisms
contribution to affiliated concern
dead knot
devote one's attention to
Dungiven
eggen
electrolytic polarization
elevated shoreface terrace
ex-factory
fiercening
filemark
filler wall
galactic radio spur
Gauge Chart
geol
give a kiss
glide plane of symmetry
globeamaranth
grid glow tube
hammock cloth
haves'and'have nots'
high speed paper sack bottomer
inmiter
inter-universities
intralamellarspace
invertive
Isamu Noguchi
kangshung
leasing authority
livebearing
lobus azygos
lock free retainer
major construction fund of energy resources and transportation
management planning system
marginal aulacogen
Mazdians
mentecato
merrygoround
minimax approach
multihole brick
multiplicity of conjugate point
multiplying order
myelocystic
natural-ventilation
never-wozzers
nucleidic mass
optic electronic device
parrish process
patch effect
Peptococcus
permeability number
perseveres
Phenolase(mono)
Phosphor Bronze Strip
pickup points
pneumatolysis
poison tower
post-standard
punch-holder shank
pyroxylins
ram bolster
re-learns
research ship of opportunity
robust loom
rolaidss
rope fastenings
saipa
Salvia japonica Thunb.
scytodepsium
Sifié
sleaking
Solanaceae alkaloids
steambath
subcutaneous dropsy
thermal e.m.f.
tire girdle
towing line
tumultuousnesses
two-row planter
user attribute data set
veratrylidene-isoniazid
vetture
washomat
x-tremest
xanthicin