Nasci
abbr. North American Society for Cardiac Imaging 北美心臟成像學(xué)會
??? 情景例句
Dearly beloved,
敬愛的人們，
If the ox falls,whet your knife.
牛一倒，快磨刀；人遭難，眾人踩。
Forty-two years later a tunnel was actually begun.
42年以后，隧道實際已經(jīng)開始建了。