281封信: 281 letters写封信: drome a line一封信: a letter打一封信: type a letter封信封口: to seal(an envelope)回复一封信: respond to a letter寄一封信: to mail a letter; to send a letter接到一封信: receive a letter每天一封信: everyday in a letter密封信号: sealing signal收到一封信: have a letter撕毁一封信: to tear uthe letter写封信给: scratch sb a note写封信给我: give me a ring写一封信: write a letter一封信件: letter最后一封信: last letter差人去送封信: send a letter by messenger给玛丽一封信: a letter from jane marry给某人写封信: drosb. a line开在两封信上: citibank我在写一封信: i am writing a letter写封信给某人: scratch sb a note用干胶片封信: seal a letter with a wafer封心: viz封信用的干胶片: wafer