.gov
abbr.（略語(yǔ)）
government agency [in Internet addresses]
government agency[in Internet addresses]

For Internet addresses of the United States government,.gov is the top-level domain only for federal agencies, except for the military, which uses .mil . State government agencies use the particular state`s two-letter postal abbreviation, lowercased, followed by .us (for example, .mi.us for Michigan).
美國(guó)政府的因特網(wǎng)地址.gov 是只有聯(lián)邦政府才能使用的頂級(jí)域名，不包括使用 .mil 的軍方。州政府機(jī)構(gòu)使用各個(gè)州的郵遞縮寫(xiě)，由兩個(gè)小寫(xiě)字母組成、后面跟有 .us （如 .mi.us 是密執(zhí)安州的域名）