在网上找了一些，自己又补充了一些。

prep = 介词，前置词，preposition

pron = 代词，pronoun

n = 名词，noun

n(c) = 可数名词 countable noun

n(u) = 不可数名词 uncountable noun

v = 动词，verb

vi = 不及物动词，intransitive verb

vt = 及物动词，transitive verb

v (aux) = auxiliary verb 助动词

v (l) = linking verb 系动词

v (m) = main verb 实意动词

v (mo) = modal verb 情态动词

phrasal verb 动词短语

a = 形容词，adjective

ad = 副词，adverb

art = 冠词，article

num = 数词，numeral

int = 感叹词，interjection

conj = 连接词 ，conjunction

s = 主词

sc = 主词补语

o = 受词

oc = 受词补语

pl = 复数，plural

abbr = 缩写词 abbreviation