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
You don't need to do that, Grandpa.
你不用这样，爷爷。
This food is out of this world.
这真是人间美味。
I'm afraid we're going to be in Shanghai that day. I hope you all have a good time.
恐怕到那天我们将在上海了。我祝你们玩得痛快。