我认为我所成就的是让我自己在某种意义上达成影响，使我自己保持了求知欲，有活力和多产，还使我对自己更感兴趣。

What I've achieved, I think, is to make myself effective in some way, kept myself intellectually curious, alive and productive, and made myself interesting to myself.

youdao

这一技术能够使甲烷生成率提高13%，但同时，制造超声波所耗费的能量要超过多产出的甲烷所能提供的能量。

This increases methane yields by 13% but, at the moment, the process of generating the ultrasound consumes more energy than it yields.

youdao

他们找到了使农业用地更多产的方法。

They have found ways to make more productive use of agricultural land.

youdao

Snakes are symbols of renewed life and fertility in the East ; because they shed their skins so they seem to be eternally young; and they're also phallic symbols.

在东方，蛇一般都是新生命或者多产的象征,因为，蛇的蜕皮，似乎能使它永远年轻;,蛇同样也是生殖力的象征。

耶鲁公开课 - 旧约导论课程节选