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
a shed
abate the price
aelian
alpaslan
atherton plat.
bacteriocinogeny
bashfulness
beer nuts
beginning line
bright-line rule
Brown & R.
built in motor drive
built propeller
buono
bushing current-transformer
bypass outlet
central vein of suprarenal gland
chortosterol
Chësha
class 1b
complete orthonomal set
concitizen
courtesanship
critical wind speed
cyclohexyl iodide
cyclotron harmonic
databasenames
daymon
death-like
debug support system language format
decay path
disc coulter
drill for
elkhorn ferns
epilept-
eunotogramma debile
floating shock platform
free depot
frequency-modulated quartz oscillator
get in
half-octagon ring
high-temperature high power semiconduct device
hydrolocation chronoscope
ibus
ileum augmentation cystoplasty
independent heterodyne oscillator
induced electrical fields
intermittent debris flow
introduction to law
IP spoofing
jabusch
lateral corticospinal tract
leveling wye level
life after death
light transmittence
management level
measurement processor subsystem
metrostaxis
mildew-retarding agent
minimum capital requirement
mixed-base crude oil
Neurath
nnpb
non-revenue passenger mile (nrpm)
open gill
oscillation lever
Oxytropis pilosa
ozone distribution
Parcent
photosynthetically active radiation (par)
pollen mentor
pre-chromodynamics
prebreakdown
primary transition
Pritchett Seamount
procedure language processor
psychogalvanometric
remote program translation
reserve for contingencies
reversing limit valve
right through
roadbed pressure
Sacabaya
shaw-net
Sheerness
St. Trinian's
starting valve
steering clutch plate
superonerate
terebratula
testrite
titano
Torzhok
trad.
Turkish manna
unionizing
vinyl chloride poisoning
weeping love grasses
wire silver
xesturgy
yank my chain
Zelenski