fast

现在分词：

动词现在分词: fasting

更多词形：

形容词比较级: faster | 形容词最高级: fastest | 动词过去式: fasted | 动词过去分词: fasted | 动词现在分词: fasting | 动词第三人称单数: fasts |

单词例句：

Let's walk fast in order to keep warm. I'm cold.

咱们快些吧，以保持身体暖和。我感到冷。

He ran for his life as fast as he could.

他尽可能快地逃走了。

The catcher signaled for a low fast ball.

捕手发出投快速低球的信号。

He worked very fast, insomuch that he was through in an hour.

他工作得很快，一小时内便做完了。

Her heart was pumping very fast.

她的心脏跳得很快。

She works so fast that I can't keep pace with her.

她工作得很快，我跟不上她的速度。

Her heart beat fast with delight.

她高兴得心跳加速。

Oh, sorry. I'm used to walking fast.

哦，对不起。我一贯走路很快。

A car journey is as fast as a train journey.

乘汽车旅行跟乘火车旅行一样快。