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
anatumomab mafenatox
anti-fungal
anti-shock device
apparatchiks
apple a day...
armisen
astronomised
atomizing angle
auvers
backstager
balance pin
barrier cream
bears in mind
bilateral closed user group
bloody dock
borskoe (borskoye)
botryosphaeria rhodina
bunglesome
Canis Maior
carlos chavezs
Cathaysian tectonic system
celery-leaved buttercup
ceresins
cohumulone
completing task on time
congratulate oneself on
consortium company
copper roofing
coroutine pascal
crown stay bolt
denneys
draw bridle
elementary proximity
forgetting factor
geomagnetic pulsation
had better do
herem
high permeability material
i can tell
inductor-type
Kadenbach
kaniss
kirie
knight bachelors
leave ... aside
liase
lip casting
liver trouble
low side
mammie
Manahoac
massachusetts general hospital
medium-level waste
middle parietal taenia
mixed culture termentation
movable end-point system
Mylocon
necclygency
nestia
nonanalytic differential equation
nonpresbyopic
norprodigiosin
Palo Alto
paper release
paraeuchaeta californica
passive line monitor
phototube headlight control
Pollitt, Harry
prochlorperazines
prompt coincidence curve
psychomotor test
puccinia arachidis
qi transformation
quietim
reading desk
recurrence of original disease in transplanted kidney
redevelopers
ringing tone signal
roentgen tube (x-ray tube)
salanx acuticeps
Santa Eulalia de Oscos
Selbusjφen
sembly
ship's mechanical ventilating system
somos
source of mine air pollution
spasming
stephanovite
sweep wave form
tetrahedral congruence
three-dimensional window
total-presure at exit
tugg
type of use
underwritten
unfurrowable
update access
wanse
wedding chests
wet cleaning method
Your belly button is bigger than your stomach
zonule fiber