Rapid的意思有：adj.快的；迅速的；迅捷發生的；快速的n.急流；湍灘
rapid可以用作形容詞
rapid作形容詞的意思是“快的,急速的”,是正式用語,指本身運動的高速度,速率大,因而所花時間少。
rapid在句中可用作定語或表語。
rapid用作形容詞的用法例句
Cats have rapid reflexes.貓的反應很敏捷.
The pound's rapid appreciation is creating problems for exporters.英鎊急速升值給出口商造成困難。
The rapid spread of the disease is alarming the medical authorities.這種疾病的迅速蔓延使醫療當局感到憂慮不安。
雙語例句：
1、The?rapid?questions were designed to scare her into blurting out the truth.
設計了連珠炮似的問題是要嚇她說出實話。
2、His?rapid?promotion was due in some measure to his friendship with the king.
他的快速提升壹定程度上同他與國王的友情有關。
3、She proceeded to reel off in?rapid?Italian the various dishes of the day.
他接著用意大利語快速報出這天的各種各樣菜肴。
4、Her heels made a?rapid?staccato on the polished boards.
她的鞋跟在光亮的地板上發出急促的嗒嗒聲。
5、A mechanism for?rapid?delivery of bile into the duodenum.
快速向十二指腸提供膽汁的機制。