unmatured

例句：

1. 1. The young scientist has not yet reached his full potential.
   这位年轻的科学家尚未发挥出他的最大潜力。
2. 2. The fruits are unmated, which means they have not been ripened yet.
   这些水果未成熟，意味着它们还未熟透。
3. 3.The company is still in its early stages of development, and there is much more work to be done.
   该公司仍处于发展阶段的初期，还有大量的工作要做。