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。
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。
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。
Before the invention of television, people spent their leisure time in more active and social pursuits.
在电视发明之前，人们会把空闲时间花在更积极的消遣和社会活动上。
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。
Even if the recovery is under way, it may be some time before the official number crunchers confirm it.
即便经济已经开始复苏，仍要过一段时间官方统计数字才能确认这一点。
I didn't have time to change clothes before the party.
我没时间在聚会前更换衣服。
You are likely to be given almost three months – until the time of your next bill – before you are disconnected.
你很可能会得到将近3个月的时间–即直到你下一张账单寄发为止——才会被切断供应。
Never before has the industry had to cope with war and recession at the same time.
企业以前从来没有同时应付过战争和经济衰退。
With no young trees to replace them, it is only a matter of time before most of the big trees disappear.
由于没有幼树来代替它们，大多数大树消失只是时间问题。
After this technique had been invented, it was only a matter of time before weapons designers adapted it for the detection of submarines.
"这项技术被发明之后，武器设计者将其改造用来探测潜艇只是时间早晚的问题。
The spurs cause blunt trauma to the shoulders which never have time to heal properly before the horse is ridden and spurred in another rodeo.
马刺造成肩膀的钝伤，这些伤从来都没有时间痊愈，因为马会被在另一场竞技秀中再次被骑和刺。
The Airlander will need to have 200 hours' flying time before being allowed to fly by the aviation administration.
“天空登陆者”需要达到200小时的飞行时间，才能被航空管理局批准正式投入使用。
The walk in the morning before I headed to the hospital was a quiet, peaceful time to gather my thoughts.
去医院前的晨间散步是一段安静祥和的时光，我可以在那时整理我的思绪。
Rooms are usually full right after dinner time, but you can sign up the day before to reserve a room if you want.
通常晚饭时间后房间就订满了，但你可以在前一天进行登记预定房间。
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