sped up

sped up 基本解释

加速；使加速

sped up 用法和例句

1、Gunpowder also sped up the slow process of digging up stones.

黑火药还加快了缓慢的采石进程。

2、The War of Resistance against Japan Sped up the Awakening of the Chinese Nation

抗日战争催化了中华民族觉醒

3、The process has sped up visibly since Mr. Obama assumed the presidency.

从奥巴马当选总统开始，这个过程明显加速了。

重点词汇

sped speed的过去式和过去分词