About
HSK levels

    de

    de

    1. (equivalent to 的 as possessive particle)

    1. bottom; base
    2. background; foundation
    3. copy (of a manuscript or receipt etc) kept as a record
    4. (suffix) end of a year or month
    5. (math.) radix; base (abbr. for 底數|底数[di3 shu4])

    杯子的底部有一个小洞。 bēizi de dǐbù yǒu yīgè xiǎo dòng.