Simplified:

On the HSK 7-9 vocabulary list, at CEFR level C2.

chān ㄔㄢ

    • to mix to blend to dilute to adulterate

shǎn ㄕㄢˇ

    • to grasp

How 摻 is written

    部首 radical
    a form of
    笔画 strokes
    14, with 11 after the 部首
    结构 structure
    左右结构
    偏旁 parts
    形旁 meaning
    声旁 sound

    Sources