seed

• Trees propagate themselves by seeds .
  树木借着种子繁殖。
• A single seed is enclosed by a thin pericarp .
  一个单独籽粒，外面裹有一薄层果皮。
• There is a very small hole in the testa of a seed .
  种子的种皮上有一个非常小的洞。
• Most plants reproduce by seeds .
  多数植物靠种子繁殖。
• 20 heads of dutch clover yielded 2, 290 seeds .
  白三叶草有20串花序，结2，290颗种子。
• Are the seeds of criminal behavior sown early in life ?
  犯罪行为的根源是否始自幼时？
• He started to drink too much and gradually ran to seed .
  他喝酒过多，身体逐渐衰弱了。
• These flowers have gone to seed .
  这些花结子儿了。
• The dry seed ruptures and the green leaf uncurls .
  干瘪的种子裂开了，卷曲的绿叶伸展了。
• Farmers put seed in the ground .
  农民往地里下种。