alga

alga — 名詞

1. a very simple organism that lives in water or damp places and gets its energy fr

1.名詞B2
釋義

藻類

生活於水中並以陽光製造養分的簡單生物體

a very simple organism that lives in water or damp places and gets its energy from sunlight through photosynthesis. Algae range from single cells too small to see without a microscope to large seaweeds many metres long.

例句

Lakshmi cleaned the green alga from the walls of her fish tank.

Lakshmi 清理了魚缸壁上綠色的藻類。

countable noun: an alga / the alga

Under the microscope, a single alga drifted slowly through the water.

顯微鏡下，一個單獨的藻類在水中緩緩漂動。

collocation: a single alga

常見搭配
  • green alga
  • blue-green alga
  • freshwater alga
  • marine alga
  • microscopic alga
  • filamentous alga
  • single-celled alga
同義詞
  • seaweed

    refers only to large marine algae, while alga covers all types from single cells to giant kelp

  • pond scum

    informal term for floating mats of green algae on still or stagnant water

  • phytoplankton

    specifically microscopic algae drifting in oceans and lakes, not attached forms

文法句型

an alga

the alga

a type of alga

常見錯誤

I saw many alga in the pond.
I saw a lot of alga in the pond.
'alga' is the singular form; the plural is 'algae' (pronounced AL-jee).
The algaes are spreading fast.
The algae are spreading fast.
'algae' is already the plural; never add -s to it.

同根字

  • algae
    名詞B2
  • algal
    形容詞C1

常見搭配

名詞搭配

  • alga bloom
  • alga growth

介系詞搭配

  • alga on [surface]
  • alga in [water]