[----]

Jyutping soeng1 deoi3 fan6 zi2 zat1 loeng6
Pinyin xiàng duì fēn zǐ zhí liàng

Definitions (Wiktionary)
  1. noun
    relative molecular mass; molecular weight

[----]

Jyutping soeng1 deoi3 fan6 zi2 zat1 loeng6
Pinyin xiàng duì fēn zǐ zhì liàng

Definitions (Wiktionary)
  1. noun
    relative molecular mass; molecular weight