planula

常見例句

用作名詞 (n.)

• In the adult, or medusa stage of a jellyfish, they can reproduce sexually by releasing sperm and eggs into the water, forming a planula.
  在海蜇成體或水母體階段，它們通過將精子和卵于釋放到水中形成浮浪幼體而進行有性繁殖。
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