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
.xls
a baby carrier
acetylfuranofukinol
alanosin
Alfred Tennyson
anti-?-actin
antipitching device
APETON
atractenchyma
awkward age
bandy something about
bloatings
boozah
Carrascoy, Sa.de
chronaxies
cnidarina
concession contract
conjunctival granuloma
copy typist
countersunk head screw
courouce
Cowley, Malcolm
cycrimine
DC shunt motor
dihydro-2(3H)-furanone
dingbatter
double imbalance
dUTPase
electron diffraction
elliptically polarized light
encombers
endophagy
equivalent line
european goat moth
fulfil the terms
fundatory
gaohus
head and shoulders above
hhg
high-efficiency operation
hundees
hydrocardia
ice nip
in the cause of
indestructive
international transport and trade community
joyelle
lateral eye
lip dub
liquid-metal heattransfer fluid
local water level
lodlike
loess land use
maniure
mastosquamous
mathematical subroutine library program
melitoxin
MONDANCE
montani
Muslimish
nabiss
non-self-luminous surface
nonconforming work
nonjusticiable
number of item
oceanographic tracer
off-punch
oval-square-oval method
paceman
palatine reflex
panel production line
permitted revenue
pertycion
petticoat pipe
pineywoods
Pofi
pre-embodiment
prechills
pressure operated siren
pressure-wave propagation
Prohibition Party
radiculopathy
regenerative operational amplifier
restricted chi-squared test
ruby spinels
Sape, Tk.
scrip certificates issued for fractional shares
sea-people
serial I-O buffer
serosity
silicon nitride process
sinker ball
sinusioidal law
streptostacin
symbolizers
the bulk of
Tirend
tonka bean
unpollutable
vector, resultant
Vorotynets
warriorlike