(Read "Rui")
Guo dǐng
Mao Mao is lush.
A plant mentioned in ancient books. )
Guo gēng (a kind of grass mentioned in ancient books. )
Shen sh ē n] describes a lot: ~ students.
Shēn ① Shenxian, in Shandong. ②(shēn) surname.
X and n Xinzhuang, place names, in Shanghai.
Kuiku sunflower sunflower fan
First, what is a vector?
In mathematics, vectors (also known as Euclidean vectors, geometric vectors and vectors) refer to quantities with magnitude an