在1976年夏季奥运会上，娜迪娅·科马内奇得到了满分10分，这在之前被认为是不可能的。
In the 1976 Summer Olympics, Nadia Comaneci scored a perfect 10, which was thought impossible before.
这有点像在谈话中说了句貌似即兴迸出来的聪明话，但其实你在之前一天就准备好了。
It's like saying something clever in a conversation as if you'd thought of it on the spur of the moment, when in fact you'd worked it out the day before.
尽管如此，大部分接受调查的人还是说他们已经在之前的六个月里采取了行动应对气候变化，减少了温室气体的排放。
Despite this, most respondents said they had taken action to combat climate change and reduce greenhouse gas emissions in the previous six months.
“这就意味着我们不仅能够间接地验证广义相对论，还能够直接对广义相对论预言的引力波进行测量，这些在之前还没有人做过，”他说。
"That means we will not only indirectly test general relativity, but also directly measure the predicted gravitational waves, which has never been done before," he said.
作者John Allison在之前创作了《Scary-Go-Round》（恐怖在身边），其简短干练的对白和富有表现力的画风使得反复出现的校园梦魇显得也不那么可怕了。
John Allison, who previously created Scary Go Round, has a knack for crisp dialog and expressive art that almost makes the recurring schoolyard nightmares go away.
在成名之前，她获得了许多音乐奖项。
我们在临走之前做点什么来表达我们的谢意好吗？
她甚至在会走路之前就开始学习体操了。
She began to learn gymnastics even before she could barely walk.
在开始参观之前，让我给大家简单介绍一下这座了不起的建筑的设计。
Before starting the tour, let me give you a brief introduction about the design of this amazing building.
正如安东尼·哈勒姆所指出的，许多科学现象，比如冰河时代，在它们还没有被完全解释清楚之前就已经被接受了。
As Anthony Hallam has pointed out, many scientific phenomena, such as the ice ages, have been accepted before they could be fully explained.
我们在买房之前让一名专家对房子进行了估价。
妈妈在天亮之前就把早饭做好了。
在认识她之前，我从未动过结婚的念头。
在我出生之前，父亲就已经是一位飞行员了。
在来宾们参观我校之前，请允许我简要地介绍一下我校的概况。
Before you start to look around, I would like to give you a brief account of our school.
是的，在开始新的一天之前，我喜欢呼吸一些新鲜空气。
盖茨说：“事实上，在真正的机器人赶上科幻小说中的机器人之前，我们还有很长的路要走。”
'The fact is we still have a way to go before real robots catch up with their science fiction counterparts,' Gates says.
乔布斯与他的前辈一样，在成功之前屡次失败，但他从每一次失败中汲取教训，以更大的决心重新开始。
Like his predecessors, Jobs failed several times before he succeeded, but learned from his failures and bounced back with greater determination to succeed.
爱是当我妈妈为我爸爸煮咖啡时，在递给他之前都要尝一小口，以确定味道是否正常。
"Love is when my mommy makes coffee for my daddy and she takes a sip before giving it to him, to make sure the taste is OK." - Danny, age 7.
或许是上帝的安排，在最终找到知音之前，我们总要遇到一些不尽如意的人，只有这样，我们才能对知音这份礼物充满感激之情。
Maybe God wants us to meet a few wrong people before meeting the right one so that when we finally meet the right person, we will know how to be grateful for that gift.
在和别人见面之前花上一分钟，整理下自己的仪表，平缓地呼气以消除紧张感。
Take a minute before you meet other people. Check your appearance and breathe out gently to remove tension.
如果我们公众，包括各位网友，在事情真相未查明之前，可以对当事人持一颗客观谅解之心，那么我们的社会才是真正的进步了！
If we, including all netizens, can harbor an objective and understanding heart to the person involved before the truth comes out, then our society has truly progressed!
但，请你在爱他人之前先好好爱你自己。
我感觉自己仿佛失去了打开父亲心扉的钥匙，而他在我重新找回这把钥匙之前就去世了。
I felt as if I'd lost the key to my father's heart, and he died before I could find it again.
我在游泳之前会做热身活动。
至于彼得，他在飞走之前又看见了温迪。
在文字出现之前，就有舞蹈语言了。
Before there was the written word, there was the language of dance.
在文字出现之前，就有舞蹈语言了。
Before there was the written word, there was the language of dance.
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