镜像

jìng xiàng mirror image

怎么

zěn me how?; what?; why?

zěn me variant of 怎麼|怎么[zen3 me5]

使用

shǐ yòng to use; to employ; to apply; to make use of

教程

jiào chéng lecture course; teaching module at university; tutorial; textbook; course of study

fanpianzicomNucMhtml