Activity vector
[计] 活动向量
🧩 词语组成解析
🗣️ 情景例句
Yes.
是的。
Did you go to the circus last night?
你昨晚去看马戏了吗？
I told her that either I would have to buy a new mower or let the grass grow.
我告诉她，要么买一台新割草机，要么让草长下去。