n.名词 noun
n.[c] 可数名词 noun countable
n.[u] 不可数名词 noun uncountable
pl.复数 plural
v.动词 verb
v.aux.助动词 auxiliary verb
vi.不及物动词 intransitive verb
vt.及物动词 transitive verb
adj.形容词 adjective
prep.介词 preposition
pron.代词 pronoun
art.冠词 article
adv.副词 adverb
conj.连词 conjunction
int.感叹词 interjection
num.数词 numeral
pt.过去式 past tense
ptp.过去分词 past participle
prp.现在分词 present participle
suf.后缀 suffix
pref.前缀 prefix
abbr.缩写 abbreviation
& 和 and