谷物可以简单地和一批牛奶一起扔进去，让它们开始成熟。

Grains can be simply thrown in with a batch of milk for ripening to begin.

youdao

特推的预测能力真的开始成熟起来。

The predictive power of Twitter is really maturing.

youdao

1978年后出生的这一代人已经开始成熟，并且有了自己的孩子。

People from the generation born after 1978 are coming of age and having children of their own.

youdao

And then, you start thinking, "Well, I could really start doing this if only X and if I had this person or if this technology existed or if this happened or this happened."

之后，你会开始思考，恩，只要某项条件成熟了，只要我认识这个人,或是如果这个技术存在,或是如果这个或那个发生了，我就能开始落实这个点子了“

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

They become activated and they produce, eventually, mature cytotoxic T-cells in large numbers.

细胞毒性T细胞活化后,开始增殖,最终,产生大量成熟的细胞毒性T细胞

耶鲁公开课 - 生物医学工程探索课程节选