Happiness is the fruit of hard work to get you, sad is that mature before the immature grain.

快乐是你辛勤耕耘获得的果实，悲伤正是那成熟前的秕粒。

youdao

The autumn fields, mature crops have been cut down, the earth filled with grain harvest.

秋天的原野上，成熟了的庄稼已被割倒，大地上堆满了丰收的五谷。

youdao

In physical and mechanical indexes, the basic density, air-dried density, compression strength parallel to grain, MOR, MOE and toughness of mature wood are higher than that of juvenile wood.

在物理力学性质指标中成熟材的基本密度、气干密度、顺纹抗压强度、抗弯强度、抗弯弹性模量及冲击韧性高于幼龄材；

youdao