烯

xi̅ = xi + Ø1

alkene

烯 character breakdown

烯
- 希
  - 乂
    - 丿
    - ㇏
  - 布
    - 巾
      - 丨
      - 冂
        
        丨
        
        ㇆
        
        一
        
        亅
    - 𠂇
      - 一
      - 丿
- 火
  - 丶
  - 人
    - 丿
    - ㇏

xi̅ = xi + Ø1

to hope / to admire / variant of 稀[xi1]

希 = 乂 + 布 : Mnemonic symbol: John Hope (the educator).

In front of the space station, John Hope blindfolded Marie Curie. He wants to teach her to follow him, gripping his pliers. Marie hopes that he will lead her back to the space station as soon as possible.

火

huǒ = hu + o3

fire / urgent / ammunition / fiery or flaming / internal heat (Chinese medicine) / hot (popular) / classifier for military units (old) / Kangxi radical 86

火 = 人 + 丶 : Helga Horse (hu) and Neanderthal Man (人) are starting a fire (火) in the observatory's living room (o3) with two large petals (丶).