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
And the Levinsons thank you for bringing their dog to us.
Levinson夫妇也谢谢你把他们的狗送来。
May I use your typewiter?
我能用你的打字机吗？
Look!There's an ice cream man.
瞧！有个卖冰淇淋的。