内部

nèi bù interior; inside (part, section); internal

查询

chá xún to check; to inquire; to consult (a document etc); inquiry; query

某人

mǒu rén someone; a certain person; some people; I (self-address after one's surname)

行为

xíng wéi action; conduct; behavior; activity

轨迹

guǐ jì locus; orbit; trajectory; track

, 第一

dì yī first; number one; primary

推荐

tuī jiàn to recommend; recommendation

专员

zhuān yuán assistant director; commissioner

天使

tiān shǐ angel

社工

shè gōng social work; social worker

库

kù warehouse; storehouse; (file) library

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