adj.短時間發(fā)生的；急速的；迅速的；快的；險峻的

n.急流；湍灘

Cats have rapid reflexes. 貓的反應(yīng)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(yī)療當(dāng)局感到憂慮不安。

With the rapid economical development, China's position on the international stage is getting more and more important. 隨著經(jīng)濟迅速發(fā)展，中國在國際舞臺上的地位變得愈來愈重要了。

The student is showing rapid progress in his studies. 這個學(xué)生學(xué)習(xí)上進步很快。

The old man had difficulty climbing the rapid ascent. 這位老人攀登這條陡峭的上坡路有困難。

The first rapid we went through was the easiest. 我們經(jīng)過的第一道急流是最簡單的。

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還可用作名詞,作“急流,湍流”解,常用于復(fù)數(shù)形式。例如:The canoe shot the rapids.獨木舟飛速地沖入急流。

adv.迅速地；很快地

n.迅速；急速

n.急流；湍流

n.快車