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
He's asleep.
他睡着了。
His bad English is a bar to his getting a job.
他的英语很差，这是他找工作的一个障碍。
That's what you think!
那才是你脑子里想的！