This is the 679th most frequent Chinese word.
速度
"Speed" or "rate."
In this sentence, "速度" refers to the rate of movement, describing how fast the train travels.
列车的速度非常快，一眨眼就到了目的地。
The train's speed is very fast; it reached the destination in the blink of an eye.
Here, "速度" is used to emphasize the pace or swiftness at which actions should be carried out.
处理这个问题时，请注意动作的速度，不能太慢。
When dealing with this problem, please pay attention to the speed of actions; it shouldn’t be too slow.
In this instance, "速度" is used to describe the rate at which data is processed, specifically the loading of web pages.