Vector fnction
[电] 向量函数
🧩 词语组成解析
🗣️ 情景例句
and they needed the extra room.
他们需要多一些空间。
A book is the same today as it always was and it will never change.
一本好书今天如此，将来也如此，永不改变。
No, they're still working on it.Let's go into the garage and have a look at it.
没有，他们还在修呢。我们到车库去看一下吧。