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
Dr. Lee's office.
李医生诊所。
By the way,who are you waiting for?
顺便说,你正在等谁？
Does he have a temperature, doctor?
他还发烧吗，医生？