We are talking about the Neolithic period here, which was the time before stone tools began to be replaced by tools made of bronze and other metals.
我们这里在说的是新石器时代，是石器开始被青铜和其他金属制工具所取代之前的那个时代。
For the time before records began, we have only "proxy records" reconstructed largely from tree rings and ice cores, supplemented by a few incomplete written accounts.
在开始有记录之前，我们只有主要根据年轮和冰芯重建的“代理记录”，还有一些不完整的书面记录作为补充。
Their piece of bread was given to them, but it was still smaller than the time before.
他们拿到了面包，但还是比上次的还小。
They've failed most of the time before.
之前绝大多数时候，这些研究都失败了。
They relish the time before and after the committee work is done.
他们享受委员会工作完成之前和之后的时光。
It is from the time before electricity, when people used candles for light.
源自还没有电力，人们使用蜡烛的那个时期。
The time before and after each remote call (the timestamps can show how long the call took)
每个远程调用之前和之后的时间（时间戳可以显示该调用花了多长时间）
In the time before books, children learned fairy tales by listening to them over and over again.
在有书籍之前的时代里，孩子们通过一再地倾听童话故事而得知它们。
Jing said candidly the time before each launch was his tensest moment when he had butterflies in his stomach.
荆木春坦言，每一次发射前是他最为紧张的时刻。
I would turn eighteen in March 1944 and wanted to use the time before I was drafted for more musical training.
1944年3月我将满18岁，想在入伍前，好好利用这段时间做更多音乐训练。
Most of the time before 1820, China’s economy led the world, accounting for more than half of the world’s GDP.
1820年以前的大部分历史时期里，中国的经济实力居于世界首位，GDP超过世界总和的一半。
Take the time before beginning a brand new project to look at what has worked in the past in similar projects.
在你打算开始完成一项全新的任务之前，不妨花点时间研究一下在过去类似的工作之中，哪些行为是起到了良好作用的。
The Germans call the time from December 1st to December 24th “Adventszeit” which means the time before Christmas Eve.
从十二月一日至二十四日德国人称为“Adventszeit”，那是“圣诞夜前的等待”的意思。
During a rare phone conversation about a year and a half ago he tried to sell me his computer; the time before that, his shoes.
在一年半以前的一次电话里，他试着卖给我他的电脑，这之前他还想卖给我他的鞋子。
The time before the product is ready to use will be reduced, and ultimately the product can be released to the market more quickly.
产品投入实用之前的时间因此得到降低，而最终产品也将会更快地发布到市场上。
"We alluded in the pilot, " he reminds, "that the first time they worked together - the time before the pilot - that it went very badly.
他说道：“我们在首映集的时候就有提到过他们第一次合作破案的时候——在第一集之前——那时两个人处得相当不好。
Did it not strike me that mother hardly appeared in my story at all? Hilke, a dentist, kept asking about the time before we met, but immediately forgot whatever I told her.
希尔克是个牙医，不断地问我们相遇的时间，但很快就把我告诉她的一股脑都忘了。
I don't think there are any worries with him in terms of me personally or what we're doing.I think the concerns go back once again to the time before I came to the club.
依照我个人的看法，对他没有什么可担心的，我认为在我来到俱乐部之前，已经再一次关注他了。
I don't think there are any worries with him in terms of me personally or what we're doing. I think the concerns go back once again to the time before I came to the club.
依照我个人的看法，对他没有什么可担心的，我认为在我来到俱乐部之前，已经再一次关注他了。
We just have time for a bite to eat before the movie.
电影开演之前，我们只有匆匆吃一点东西的时间。
I had just enough time to finish eating before the bell rang and I was off to my first class.
我在铃响前刚好有时间吃完，然后就去上第一节课了。
The more time one spends before a painting, the more valuable one finds it.
一个人在一幅画前欣赏的时间越长，他就越能发现画的价值。
There's heaps of time before the plane leaves.
离飞机起飞还有很多时间。
It's only a matter of time before they bring out their own version of the software.
他们推出自己的软件只是个时间问题。
Shoppers began arriving long before the 10am opening time.
离上午10点开门时间还早，顾客就陆陆续续地来了。
It was some time before I realized the truth.
过了很长一段时间我才悟出真相。
Rosanna's favourite time is early summer, just before the buds open.
罗莎娜最喜欢的时节是初夏，就在花蕾开放之前。
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