complimentary基本解释
adj,赠送的；称赞的；问候的,同近
There was a complimentary bottle of champagne in the hotel room..酒店客房里有一瓶免费赠送的香槟。
赠送的；称赞的；问候的英释中释adjgiven free to people
complimentary ticket,优待券；赠票.短语
