Vector fnction
[电] 向量函数
🧩 词语组成解析
🗣️ 情景例句
That's an excellent idea, Michelle.
这是个好主意， Michelle。
The restaurant doesn't open until seven forty-five.
饭馆要到七点四十五分才开门。
The Hubble telescope was launched into space by NASA on April 20,1990 at a cost of over a billion dollars.
哈勃望远镜于1990年4月20日由国家航空航天局发射升空，耗资10多亿美元。