na. 速度限制
[网络] 限制速度；速度极限；传送时间设置

词型变化：名词复数形式 : speed-limits

speed-limit的用法和样例：

例句

用作名词(n.)

The speed of light turns out to be nature's speed limit.光速原来是自然界的速度极限。
You see, the existence of a natural speed limit for the motion of any object, or the sending of any signal, makes simultaneity in our ordinary sense of the word lose its meaning.你看，任何运动的物体或信号的发射都存在自然的速度极限，这使我们了解的词语的普通意思失去了意义。

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