butterfly weed

同根派生

英汉例句

• A butterfly must not be confused with a moth.
  不得将蝴蝶和飞蛾混同起来。
• I think this worm is a larva of a butterfly.
  我觉得这虫子是蝴蝶的幼虫。
• A caterpillar is the larva of a butterfly.
  毛虫是蝴蝶的幼体。
• He weed out one by one the book he do not want.
  他把不想要的书一本一本丢掉。
• A caterpillar must pass through the cocoon stage to become a butterfly.
  毛毛虫必须经过茧的阶段才能变成蝴蝶。