时间:2019-01-16 作者:英语课 分类:英文语法词汇


英语课

   可数名词分为单数和复数。


  名词单数就是该词本身,在其前面加a或an。
  1、单数
  如a desk(一张桌子)
  an old desk(一张旧书桌)
  2、复数:要表示一个以上概念时,要用名词复数形式
  规则变化
  1)一般情况下加-s
  如book--books(书) desk--desks(书桌)
  2)以s ,x 1 ,ch , sh结尾加-es
  如box--boxes(盒子) bus--buses(公共汽车)
  注意①以 th 结尾加-s, month--months
  ②stomach--stomachs
  3、以辅音字母+结尾,变y为i再加- es。
  如city--cities(城市) country--countries(国家)
  注意以元音+y,直接加s。如:day--days(天),boy--boys(男孩)
  4、以f或fe结尾,复数变f或 fe 为v再加-es
  如knife-knives(书) , half-halves(一半)
  (thief ,wife ,life ,shelf ,knife ,leaf ,self ,half ,wolf)
  注意①有少数词后直接加s,如roof-roofs (屋顶)
  5、以o结尾
  (1)辅音字母加o结尾名词的加-es
  如tomato-tomatoes(西红杮)
  potato-potatoes(土豆)
  (2) 元音字母加o结尾名词的加-s
  如piano-pianos (钢琴), zoo-zoos(动物园)
  photo-photos (照片), kangaroo-kangaroos(袋鼠)
  kilo-kilos(千克)
  注意zero 两种方式都可:zero-zeros或 zeroes(零)

n.字母x,罗马数字10adj.X形的,X级的(电影等),第二十四的
  • The possible permutations of x, y and z are xyz, xzy, yxz, yzx, zxy and zyx. x、y和z的可能的组合方式为xyz、xzy、yxz、yzx、zxy和zyx。
  • The chest X-rays showed moderate enlargement of the heart. 胸部X光片显示出心脏稍有扩大。 来自《简明英汉词典》
标签: 可数名词
学英语单词
access control violation fault
acid cured varnish
acoustic reference
aerial photographic navigation
alunite deposit
bellow off
bhadar r.
biotic condition
box type spray manifold
bryonias
callistus i
cha-cha
chhana
common accumulation fund
corronation
counter-diffusion
country fries
crab mother ship
crow-stone
cytoskeleton theory
Debregeasia
decorative web
default section
diguanylates
double acting sprayer
dries-out
duckbill pick
efficiency step-up formula
endogenous plant
entry plan
equpotential life
eternacept
faery
failure to plead
Fallsington
fenethazine
filament winder
finite number of variables
free type parachute
fun boys
Geisenfeld
geopolitikers
grog mill
hematocrit-value
Hippoglossoides platessoides
howlings
hydrogen acid ester
inherent regulation of controlled plant
kitchen sink drama
laboratory of experimental pedagogy (paris)
law of retail gravitation
lithosoil
lose the run of
lubricating limit
luganot
malveaux
manual international exchange
matrix representation
Methagon
modified off-the-shelf
musculi flexor hallucis longus
nabivnoy ice
non-ionic emulsified bitumen
nonreplies
o'mal
onus of proof
optimum bunching
oriental emerald
perimeter beam
pot hole(ginnt kettle)
protioamide
pruritus vulvae
Pseudomicrodochium
pteri-
random file key
repentaille
rhytinas
S. P. R.
scopoderm TTS
semi-diffuse porous wood
ship's inventory
single-energy reactor
sodium bromate
sozzled
supply parent material
Susner
tartini
temperature salinity curve
therapic
three-fields
to kill you
tone number
trammeler
tumultuates
Tǒksǒng-gun
us campus
vented irradiation capsule
Web Accessibility Initiative
welcome dances (new britain)
whave
woaden
working power supply