unit1英语七年级2d

发那段英文过来

major,career,schedule,priority,efficient,software,accountant,management,beneficial,represent

2d2e. 什么意思？

你拍照发过来。

pencil pen

是什么版的？

ashhjashjd

sees studies says watches
brushes does goes
watches
has
3.1)
by train
takes a train
by bike
rides his bike
by plane
flies to
2)
says to
speak English
tells
talking

这个是编程语言上的内容，指对一个整数或小数，保留两位小数，-号表示保留小数，2指保留位数，d指是数字（不是字母或别的）

2d是平面 I(二维) 3d是立体 （三维）