() [] if a cheque bounces, or a bank bounces it, the bank refuses to pay it because there is not enough money in the account（支票因出票人账上存款不足遭银行）退回，拒付◆The cheque will bounce if your salary doesn't reach your account today.如果你的工资今天未能存入你的账户，支票将被拒付。◆a bounced cheque一张空头支票➡dishonour , RD , return [] to increase suddenly in value or level突然增加；反弹◆The retailer's shares bounced 2.7 per cent to €55.5.零售商的股票反弹 2.7%，达到 55.5 欧元。⨁prices / sales / shares / the market bounced价格／销量／股票／市场反弹 [] bounce around/up and downto repeatedly increase and decrease in value or level忽高忽低地；上下波动◆The stock price has been bouncing up and down as much as 10% a day.股票价格一天之内上下波动的幅度高达 10%。 [] if an email bounces or the system bounces it, it returns to the person who sent it because it cannot be delivered.（电子邮件）被退回●ˌbounce ˈback (from sth)to become successful again or start to increase again after a period of difficulty重整旗鼓；复苏◆The airline's shares have bounced back from two days of heavy losses.这航空公司的股票在遭受两天的重大损失之后已开始回升。