X
X-ray
Y
yard
year
yellow
yes
yesterday
yet
yog(h)urt
you
young
your
yours
yourself
(pl.yourselves)
youth
Z
zebra
zero
zip
zone
zoo
附录1：构词法
1)合成法：blackboard, man-made, overthrow, however, everyone
2)转化法：hand (n.) — hand (v.)
break (v.) — break (n.)
empty (a.) — empty (v.)
3)派生法：
A. 加前缀：dis-, in-, re-, un-, non-
B. 加后缀：-able, -al, -an, -ful, -ive, -er(or),
-ese, -ist, -less, -ment, -ness, -tion, -fy, -ian, -ing,
-is(z)e, -ly, -teen, -ty, -th, -y
附录2：缩略词
AD, AIDS, a.m./am, A.M./AM, BC, CD, Dept., DNA, Dr, DVD, etc., HIV, Mr., Mrs., Ms., No., O.K., P.E., P.C., p.m./pm, P.M./PM, TV, VCD, vs.
附录3：月份
January (Jan.) February (Feb.)
March (Mar.) April (Apr.)
May (May) June (Jun.)
July (Jul.) August (Aug.)
September (Sept.) October (Oct.)
November (Nov.) December (Dec.)
附录4：星期
Monday (Mon.) Tuesday (Tues.)
Wednesday (Wed.) Thursday (Thurs.)
Friday (Fri.) Saturday (Sat.)
Sunday (Sun.)
附录5：数词
基数词
one
two
three
four
five
six
seven
eight
nine
ten
eleven
twelve
thirteen
fourteen
fifteen
sixteen
seventeen
eighteen
nineteen
twenty
twenty-one
twenty-two
twenty-three
thirty
forty
fifty
sixty
seventy
eighty
ninety
one hundred
one hundred (and) one
one hundred (and) two
three hundred
one thousand
three thousand
ten thousand
million
billion
序数词
1st
2nd
3rd
4th
5th
6th
7th
8th
9th
10th
11th
12th
13th
14th
15th
16th
17th
18th
19th
20th
21st
22nd
23rd
30th
40th
50th
60th
70th
80th
90th
100th
101st
102nd
300th
1000th
3000th
10000th
1000000th
1000000000th
first
second
third
fourth
fifth
sixth
seventh
eighth
ninth
tenth
eleventh
twelfth
thirteenth
fourteenth
fifteenth
sixteenth
seventeenth
eighteenth
nineteenth
twentieth
twenty-first
twenty-second
twenty-third
thirtieth
fortieth
fiftieth
sixtieth
seventieth
eightieth
ninetieth
one hundredth
one hundred and first
one hundred and second
three hundredth
thousandth
three thousandth
ten thousandth
millionth
billionth
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