我们的一些老传统已经失传，无法追溯。
有些古代科学著作已经失传了。
这种技艺已在世上失传。
那个发明就此失传了。
把失传已久的说“谢谢”的艺术看做化点妆或者确保你的头发整洁。
Take the long-lost art of saying "Thank you" like wearing a little makeup or making sure your hair is neat.
把失传已久的说“谢谢”的艺术当成像化点妆或者确保你的头发整洁一样。
Take the long lost art of saying "Thank you" like wearing a little makeup or making sure your hair is neat.
我担心传统武术会慢慢失传。
一旦语言灭绝，全部文化也将就此失传。
With the extinction of a language, an entire culture is lost.
人们以为所有原始的手稿复件都失传了。
All copies of the original collection of laws werethought to have been lost.
但是另外还有30种传统乐器已经失传了。
But there are 30 other traditional instruments that we've already lost.
假如他们全跌下了悬崖，这种技术也就失传了。
If they both fell off cliffs, the technology died with them.
在大多数的烹饪过程中，调制酱汁是一门失传的艺术。
这一技术已经失传好几个世纪了，只是在20世纪早期才被重新发现。
Lost for centuries, the technique was only rediscovered in the early 20th century.
切尔克斯人能够在YouTube网上找到他们失传已久的音乐与舞蹈。
Circassians can find their long-lost music and dance on YouTube.
意大利作曲家维瓦尔第创作的失传已久的歌剧300年来首次在布拉格演出。
A long-lost opera by the Italian composer Vivaldi is being performed in Prague for the first time in almost 300 years.
但是他们中的大多数都害怕失去对产品的控制，一些专业技能在意大利会失传。
But most fear a loss of control over the product and the demise of critical skills in Italy.
另外，虽然体验这项古老的技术多少让我有些兴奋，但是它很可能在我的孩子们身上失传。
Plus, the old-fashioned technique added character-a touch that pleased me, though it would probably be lost on the kids.
由于许多年轻人都搬到了那些讲西班牙语的城市居住，恐怕乌鲁语再过几代就失传了。
With so many of the young people migrating to cities, where they speak Spanish, the Uru language could disappear within a few generations.
而且，还有那首歌的歌词，我确定，这首歌曾在很久之前在动物中传唱，但已经失传了好几代了。
And what is more, the words of the song also came back-words, I am certain, which were sung by the animals of long ago and have been lost to memory for generations.
该基金会清楚地声明了它的目的：修复、保存、出版这份长期失传的手稿并把原件送回原地。
The foundation had clearly stated its goal to restore, preserve, and publish the long-hidden text and then return the original to its country of origin.
她不费吹灰之力地重建了专业评论中几乎失传的真理：对大多数人来说，看电影是一种社会经验，常常与约会有关。
She effortlessly establishes a truth nearly lost in professional reviewing, that for most people movie going is a social experience, very often tied to dating.
阳光下的土地在对我哼唱着什么，如同正在纺织的妇女。那是一些用已失传的语言吟唱的古老歌谣。 。
Thee earth hums to me today in the sun, like a woman at her spinning, some ballad of the ancient time in a forgotten tongue.
有位无名的盖尔诗人将这故事编成歌谣，但业已失传，不过戴白帽的朋友还记得零碎的几句，还曾念给我听。
Some noteless Gaelic poet had made this into a forgotten ballad, some odd verses of which my white-capped friend remembered and sang for me.
但是，尽管饺子的做法或许发生了变化，但传统的内核，也就是家人朋友聚集在一起包饺子的传统，并没有失传的危险。
But while the recipe may have evolved, the heart of the tradition - friends and family coming together over pierogies - is not in any danger of dying out.
最近几十年间，一些在动荡时期被隐藏而长期失传的史书被找到了，这些手稿记述了一个已经远离我们1700年的思想世界。
In recent decades long-lost Chronicles have been found, originally hidden during those turbulent times. Such manuscripts describe a world of ideas that has been lost to us for nearly 1, 700 years.
最近几十年间，一些在动荡时期被隐藏而长期失传的史书被找到了，这些手稿记述了一个已经远离我们1700年的思想世界。
In recent decades long-lost Chronicles have been found, originally hidden during those turbulent times. Such manuscripts describe a world of ideas that has been lost to us for nearly 1, 700 years.
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