Ncoa
abbr. National Campground Owners Association 全国野营地业主委员会; National Council on the Aging NCMEC National Center for Missing and Exploited Children 全国失踪儿童搜寻中心; Noncommissioned Officer Academy 士官学校
🗣️ 情景例句
Robbie! Who is it? Robbie
是谁呀？
I want to buy some traveller's checks.
我想买些旅行支票。
Walt invented the steam engine.
瓦特发明了蒸汽机。