sphagnum

IPA/ˈsfæɡnəm/
IPA/ˈsfæɡnəm/

sphagnum — noun

  • sphagnumsingular
  • sphagnumsplural

1. a soft green moss that grows in bogs and marshes; it soaks up and holds a great

1.名詞C2
釋義

a soft green moss that grows in bogs and marshes; it soaks up and holds a great deal of water, and as it slowly decays it becomes peat — gardeners use it to keep soil moist and to make compost

例句

Adwoa packed damp sphagnum around the orchid's roots before repotting it.

collocation: damp sphagnum

Haruki learned that sphagnum can hold twenty times its own weight in water.

hold + [number] times its weight in water

同義詞
  • peat moss

    the common everyday name for sphagnum; used especially in gardening contexts

  • bog moss

    an informal name that emphasises where it grows; less common than peat moss

用法筆記

Commonly sold dried in gardening shops; when water is added it swells and becomes soft. Not the same as peat, which is the dark, soil-like material that forms after sphagnum decays over centuries.

常見錯誤

❌I spread peat on the flower bed to help it hold water.
✅I spread sphagnum moss on the flower bed to help it hold water.
💡Peat is the dark, decayed material that sphagnum eventually turns into; sphagnum is the living or dried moss itself.