n:名词(noun)
u:不可数名词(uncountable noun)
c/cn:可数名词(countable noun)
art:冠词(article)
v:动词(verb)
vi:intransitive verb
vt:transitive verb
aux.v:助动词(auxiliary)
pron:代名词(pronoun)
a/adj:形容词(adjective)
ad:副词(aderb)
num:数词(numeral)
prep:介系词(preposition)
conj:连词(conjunction)
int:感叹词(interjection)
s:主词
sc:主补
o:受词
oc:受补
pl:复数(plural)
sing:单数(singular)
abbr:缩写词
eg:例如(for example)
etc:等等(and the others)
esp:尤指(especially)
ie:意即(which is to say)
neg:否定的(negative/(~ly))
part adj:分词形容词(partivipial adj)
pers:人称(person)
pers pron:人称代名词
pp:过去分词(past participle)
pt:过去式(past tense)
pref:字首(prefix)
suff:字尾(suffix)
sb:某人(somebody)
sth:某事或某物(something)
US:美国/~的(America/~n)
[VP]:动词类型(verb pattern)