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
absotively posolutely
academic questions
amaea oyasionensis
anticollision device
archaeornithess
as a group
ashas
Aukrug
bacilliferous
bank line profile
be heavy on
be rained out
belmonte del sannio
bld.
bulbostasis
bulkrage
cameraphones
Chize
Cibotium barometz
cloaking device
colletotrichum lagenaria
contact heat resistance
credit cooperative
crotalus horridus atricaudatuss
cumwhore
cybil
Deluce.
Dicotyledonae
distance covered
dynamical matrix
e-books
Enterocol
epipubis
eptatretus sheni
ethanediylidene
euthanased
excessive shock
exchange rate margin
finanism
fire cannon
flash up
four-handed technique
frerichs
gel immunofiltration
goethes
hemphood
higher-model coupling
homogeneous product
honeysuckers
Ilsede
India rubber cushion
intercalary regeneration
kennedy interrnationals
laskey
length in freeboard rule
lower sliding plate
lymphomas
malachiid
malia
MAXORD
mental spine
Metylan
minor prescriptions
naked warrants
neoitamus strigipes
oleo spring shock strut
pertman
possibler
psalm tone
public-spiritedly
push-pull bridge neutrallzation
put through the wringer
quick look data
randos
re-encharge
rectificate
red balance
red bellied dace
residential address
rotation band
sapphire mink
shaped tree
single-stream
six bladed grab
spampinato
staffs
stercoraries
storm board
subodontoblastic
summary info
taxcut
tea twisting machine
the eternal verities
theory of moral sentiments
timing verification
unitarianist
vertical breakwater
wheeled carrier-and-stacker
white-headed boy
wood-coal
zhengguangmeisu
zingiber shuanglongensis