很少,不过还是有：sb=somebody
sth=something
上面的是用在语法书里的,还有些其他的
gov't=government
assoc = associate
biol = biology
info = information
ach = achievement
chem = chemistry
max = maximum
intro = introduction
conc = concentration
min = minimum
rep = repetition
pres = presentation
subj = subject
ind = individual
cons = conservative
pol = politics
dem = democracy
lib = liberal
cap = capitalism
ppd = prepared
prblm = problem
estmt = estimate
bkgd = background
am't = amount
cont'd = continued
educat'l = educational
chpts = chapters
egs = examples
fs = frequencies
intros = introductions
ckg = checking
estg = establishing
decrg = decreasing
exptg = experimenting
