雅思词汇：银行遥荒　　credit crunch信贷紧缩; 　　liquidity squeeze流动遥紧缩; 　　top policymakers较高决策层; 　　the central bank遥; 　　curb credit expansion控制新增遥; 　　curtail lending growth控制遥增长; 　　bank share银行股; 　　plummet骤然下跌; 　　leverage杠杆作用; 　　trading was suspended股票停牌