(用于公司名称中). Co. is used as an abbreviation for (缩略 =) company when it is part of the name of an organization. (请柬用语)敬请赐复. RSVP is an abbreviation for (缩略=) 'répondez s'il vous plaît', which means 'please reply'. It is written on the bottom of a card inviting you to a party or special occasion. N-UNCOUNT. 艾滋病;获得性免疫缺陷综合征. AIDS is a disease which destroys the natural system of protection that the body has against other diseases. AIDS is an abbreviation for (缩略=) 'acquired immune deficiency syndrome'. N-UNCOUNT. (20世纪40年代由蓝调音乐演变成的)节奏蓝调,节奏布鲁斯(缩略形式为R&B). Rhythm and blues is a style of popular music developed in the 1940's from blues music, but using electrically amplified instruments. The abbreviation R&B is also used.