rapid是动词吗

rapid不是动词，词性为形容词和名词，例如：

1、It is difficult to keep up with the rapid pace of change.跟上迅速的变化是很困难的。

2、The new trade agreement should facilitate more rapid economic growth.新贸易协定应当会加快经济发展。

3、Immersion in cold water resulted in rapid loss of heat.浸泡在冷水中导致热量迅速散失。