Vector fnction
[电] 向量函数
🧩 词语组成解析
🗣️ 情景例句
In those days, when they made quilts.
那个时代 ，人们做被罩时，
What's your brother planning to do tomorrow?
你的兄弟计划明天做什么？
We'll leave some evenings free,that is,if it is all right with you.
如果你们愿意的话，我们想留几个晚上供你们自由支配。