speed速度可数吗

回答

爱扬教育

2022-09-14

speed作名词的基本意思是“速度,速率”,无所谓快慢。可数名词；
speed也可作“快,快速”解,指运动本身的速度、频率快,是不可数名词；
at a fast speed,这个用法基本可以看成是固定的,这时肯定是可数的。

扩展资料

　　He was driving at well over the speed limit.

　　他当时开车的速度远远超过了限制。

　　It was announced that new speed restrictions would be introduced.

　　据宣布，将有新的限速规定出台。

　　This course is designed so that students can progress at their ownspeed.

　　这门课的设计思路是让学生自己掌握进度。

　　It is vital to keep a check on your speed.

　　经常检查并控制你的车速是至关重要的。

　　You should always keep to the speed limit.

　　什么时候你都不得超过最高速度限制。