水草 (shuǐ cǎo) — aquatic plant, waterweed

定義

例文

• 这条河里长了很多水草。
  Zhè tiáo hé lǐ cháng le hěn duō shuǐ cǎo.
  There are a lot of waterweeds growing in this river.
• 水草是鱼类的重要食物来源。
  shuǐ cǎo Shì yú lèi de zhòng yào shí wù lái yuán.
  Aquatic plants are an important food source for fish.
• 水族箱里的水草需要定期修剪。
  Shuǐ zú xiāng lǐ de shuǐ cǎo xū yào dìng qī xiū jiǎn.
  The aquatic plants in the aquarium need regular trimming.