maturemeter

例句：

1. 1. The fruit is ready to harvest, and we need to use a maturemeter to measure its maturity.
   这个水果已经可以收获了，我们需要用成熟的度来测量它的成熟度。
2. 2. The farmer used a maturemeter to determine the optimal planting time for his crops.
   农民使用成熟的度来确定他的作物的最佳种植时间。
3. 3. The maturemeter was used to monitor the growth of the plant over time.
   成熟的度被用来监测植物随时间的增长。