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

三级

sān jí grade 3; third class; category C

目录

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

的

de of; ~'s (possessive particle); (used after an attribute); (used to form a nominal expression); (used at the end of a declarative sentence for emphasis)

dí really and truly

dì aim; clear

dī see 的士[di1 shi4]

区别

qū bié difference; to distinguish; to discriminate; to make a distinction; CL:個|个[ge4]

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