黑盒

hēi hé black box; fig. system whose internal structure is unknown

社工

shè gōng social work; social worker

库

kù warehouse; storehouse; (file) library

手机

shǒu jī cell phone; mobile phone; CL:部[bu4],支[zhi1]

号

hào ordinal number; day of a month; mark; sign; business establishment; size; ship suffix; horn (wind instrument); bugle call; assumed name; to take a pulse; classifier used to indicate number of people

háo roar; cry; CL:個|个[ge4]

定位

dìng wèi to orientate; to position; to categorize (as); to characterize (as); positioning; position; niche

轨迹

guǐ jì locus; orbit; trajectory; track

查询

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

。 十年

shí nián ten years

以上

yǐ shàng that level or higher; that amount or more; the above-mentioned

的

de of; ~'s (possessive particle); (used after an attribute); (used to form a nominal expression); (used at the end of a declarative sentence for emphasis)

dí really and truly

dì aim; clear

dī see 的士[di1 shi4]

工具

gōng jù tool; instrument; utensil; means (to achieve a goal etc)

库

kù warehouse; storehouse; (file) library

收藏

shōu cáng to hoard; to collect; collection; to bookmark (Internet)

狗

gǒu dog; CL:隻|只[zhi1],條|条[tiao2]

狗

gǒu dog; CL:隻|只[zhi1],條|条[tiao2]

免费

miǎn fèi free (of charge)

社工

shè gōng social work; social worker

库

kù warehouse; storehouse; (file) library

chaleshop