The hand ax and other Acheulian artifacts at Kokiselei may have been tools before their time.

这种手持石斧以及Kokiselei的其它阿舍利文化的古器物也许早在他们的时代之前便用作工具了。

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The sun's rays are also behind brown spots, and can make wrinkles appear before their time.

阳光照射同样也能让人提前长出皱纹、褐斑。

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In remarkable experiments, researchers took cells from children who were old before their time and made them healthy again.

在一系列卓有成效的实验中，研究人员从“未老先衰”的孩子身上提取出细胞，并让他们恢复了健康。

youdao

Secretary Gates says President Obama has pledged to give all the time necessary to allow the commanders to make their case, before he decides.

VOA: standard.2009.10.06

I was going to say when you first start doing this, even people who have been doing it for a long time still go off on ten-minute daydreams before realizing that their minds were wondering.

我本想说第一次尝试时，但即便是修行多年的人,也会走神十分钟之久,方才意识到自己刚做了白日梦。

普林斯顿公开课 - 人性课程节选

So, now, the defenders have to do it, in a perfect situation, I am marching towards their corn crop, grain crop, at the time just before the grain is going to be harvested.

因此被侵方就要做出反应,制定完美的方案,我在庄稼即将成熟之前,会去掠夺他们的庄稼

耶鲁公开课 - 古希腊历史简介课程节选

Ms. FRANKLIN: (Singing) For those we lose before their time, I pray their souls will find the light.

NPR: Aretha Franklin's Globe-Nominated Performance

Their goal: Find a cure for Arya and the 25, 000 other young kids with the disease before their time runs out.

FORBES: For Arya

For generations, far too many people have died before their time with our culture of poor diet, heavy drinking and smoking all taking their toll.

BBC: Scots retain 'unhealthiest' crown