seed scar

例句：

1. 1. The farmer carefully planted the seeds to avoid damaging the soil with his heavy equipment.
   农民小心地播种，以免使用重型设备损坏土壤。
2. 2.The plant's seed scar is visible on the stem, indicating that it has been exposed to sunlight for a long time.
   植物的种子疤痕在茎上可见，表明它长时间暴露在阳光下。
3. 3. The scientist studied the genetic makeup of the species by analyzing the seed scars left by previous generations.
   科学家通过分析前几代留下的种子疤痕来研究该物种的遗传构成。