Constraint of velocity
[化] 速度约束
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
Please pass me a knife.
请把刀递给我。
As you all know, doing business is not an easy thing to do.
大家都知道，做生意并不是一件容易的事。
and there is a virtual limit on how long we can hope to remain alive,
我们所希望的长寿实际上是有限度的。