| 释义 | 
		- adj.快;敏捷的;峻险的(坡等);【摄】感光快的
 - n.急流;滩;湍流
 - 网络迅速的;快速;快速的
 
 adj.+n. rapid development,rapid expansion,rapid progress,rapid increase,rapid rise adj. swift,fast,quick,speedy,hasty adj.  | 1. acting, moving, or happening very quickly  |  np.  | 1. a part of a riverbed where the water moves very fast, usually over rocks or around boulders  |  
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