Definition

Examples

• 科学家用水螅研究再生能力。
  Kēxuéjiā yòng shuǐ xī yánjiū zàishēng nénglì.
  Scientists use hydras to study regenerative ability.
• 水螅是一种很小的水生动物。
  shuǐ xī shì yì zhǒng hěn xiǎo de shuǐshēng dòngwù.
  The hydra is a very small aquatic animal.
• 在池塘里可以找到水螅。
  Zài chítáng lǐ kěyǐ zhǎodào shuǐ xī.
  You can find hydras in ponds.