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
abusious
accelerated rate of depreciation
acetamido-
achlamydeous flower
acoustic quantity transducer
address spaces
ADOP
angle(steel)
appropriation committee
attilia
bales discoloured
beach houses
beat money
birdlow
brass hat
bulk intensity
bulkhead sheet
Celestine II
chalcidid
cocchi
completers
cone worm
contoured squeeze board
cross-cutting chisel
Dermocarpaceae
deviation scale
disquisition
edge grain
elecampin
equalizing graduating valve
equilibrium of singular point
external glomeruli
Folium Viticis Negundo
forbidder
Friedrich Wilhelm Nietzsche
gaff-topsail
galloping '1's and '0's
gastrointestinal reflex
gemayels
genus iridoprocnes
ghesquire
give someone in charge
God's eye
gulping down
harasses
high sllica fiber
hot taps
isointense
junnila
Kupfersilumin
legal fruit
likker
lithokelyphopaedium
loose-lifting piston
lowest common denominators
management-staff
mediumturquoise
menadione sodium bisulfite
mikkelborg
milkfat percentage
mini-mill
NIC bonding
non standard bearing
nonconservation of local mass-energy
optimal export duty
oxicarbonite
pebble conglomerate
Phyllanthus pulcher
piece-of-shit
price matrix
queensland bottletrees
rawhided
raynge
residual basin
revolving credit account
sasmakas ezers
satisfyin' lover
selected strains
shark repellents
shoulder marker
single beam weigher
sit on
skin tolerance dose
skirt leather
slip-on-welding plate flange
soft arbitrage
subcarpal arch
subterranean tank
synthetic floating rate note
tendelti (tandalti)
tip jet
uehara
vacuum annealing furnace
vapour-saturated
vedere
vitaleer
vulgar economics
wash-tub
woolhope
worships of heavenly bodies
writing arms
zweifel