一手

yī shǒu a skill; mastery of a trade; by oneself; without outside help

运营商

yùn yíng shāng operator (of a power station, transport network etc); carrier (telecommunications etc)

机房

jī fáng machine room; engine room; computer room

劫持

jié chí to kidnap; to hijack; to abduct; to hold under duress

【 推荐

tuī jiàn to recommend; recommendation

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