seed counter

例句：

1. 1. We need to count the seeds in the jar carefully before we open it.
   我们在打开罐子之前需要仔细数里面的种子。
2. 2. The farmer used a seed counter to measure the amount of seeds he planted.
   农民使用种子计数器来测量他种植的种子数量。
3. 3. The seed counter was used to check the accuracy of the measurements.
   种子计数器被用来检查测量的准确性。