bid的过去式是bade、bid。过去分词是bid、bidden。bid的意思是出（价），（尤指拍卖中）喊价，投标，努力争取，企图获得。bid的例句：The bank announced its intention to bid（这家银行宣布了参加竞标的意向）。
bid的例句：He certainly wasn\'t going to bid$ 18 billion for this company（他肯定不会出180亿美元来收购这家公司）；I dare say he did as he was bidden（我敢说他按照要求做了）。
