fastest

过去式：

动词过去式: fastened

更多词形：

名词: fastener | 动词过去式: fastened | 动词过去分词: fastened | 动词现在分词: fastening | 动词第三人称单数: fastens |

单词例句：

If you want to drive fast, use the outside lane.

如果你要开快车，请用外车道。

This kind of fast food is not fit for my appetite.

这种快餐不适合我的口味。

His wife admonished him not to drive too fast.

他的妻子警告他开车不要超速。

The fastest runner set the pace and the others followed.

跑得最快的人确定了步速，其他人在后面跟着跑。

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。

The molecules of a gas are moving about extremely fast in all directions.

气体的分子非常迅速地向四面八方运动着。

Offers of help are coming in thick and fast.

四面八方立即伸出援助之手。

The pitcher let go a fast ball and the batter swung and missed.

投球手投出一个快球，击球手晃了一下，没有接到。

How fast can you post to the fort with this urgent order?

把这个紧急命令送往要塞你得用多长时间？