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
Do you like the dress?
你喜欢这套衣服吗
I'm short of hands.
我太忙了。
She can't come. She has to help her Mommy!
她不能来。她得帮她妈妈的忙！