rapid

詞型變化：

英文解釋：

名詞 rapid:

1. a part of a river where the current is very fast

形容詞 rapid:

1. done or occurring in a brief period of time
2. characterized by speed; moving with or capable of moving with high speed
   同義詞：speedy

英文造句：

1. With the rapid economical development, China's position on the international stage is getting more and more important.
   隨著經濟迅速發展，中國在國際舞台上的地位變得愈來愈重要了。
2. The student is showing rapid progress in his studies.
   這個學生學習上進步很快。
3. 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。
4. The intercession has made a rapid progress.
   調解已經取得了很大的進展。
5. A tremulous or pulsating effect produced in an instrumental or vocal tone by barely perceptible minute and rapid variations in pitch.
   顫音一種顫動或振動效果，由可察覺的微小迅速的音階變化在聲音或樂器的調子中產生的
6. Loud or rapid talk; chatter.
   聊天大聲急促的談話; 聊天
7. Childhood is a period of rapid growth.
   幼年是生長迅速的時期。
8. He made rapid progress in his studies.
   他學習上進步很快。