一级

yī jí first class; category A

目录

mù lù catalog; table of contents; directory (on computer hard drive); list; contents

二级

èr jí grade 2; second class; category B

目录

mù lù catalog; table of contents; directory (on computer hard drive); list; contents

怎么

zěn me how?; what?; why?

zěn me variant of 怎麼|怎么[zen3 me5]

做

zuò to do; to make; to produce; to write; to compose; to act as; to engage in; to hold (a party); to be; to become; to function (in some capacity); to serve as; to be used for; to form (a bond or relationship); to pretend; to feign; to act a part; to put on appearance

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