líng​xīn​kuàng

smithsonite

  1. water caltrop
    (bound form) water caltrop; water chestnut. An aquatic plant with floating triangular leaves and edible fruit inside a hard, often horned shell. Also referred to as 菱角 líng​jiao
  2. zinc
    zinc; a bluish-white metallic element with the symbol Zn
  3. ore
    mineral deposit; ore; naturally occurring materials in the earth that can be mined for value