評論
打印
Professor Julia Lee-Thorp is examining
朱莉婭·里霍普教授檢測了
very ancient teeth from the jaws of both animals and humans
生活在數(shù)百萬年前的動物和人類的
which lived millions of years ago.
古老牙齒
I'm incredibly nervous
處理古人類牙齒時(shí)
when I'm dealing with ancient human teeth.
我緊張得不可思議
It's a very awe-inspiring experience, I guess.
我想 這是一段激動人心的經(jīng)歷
I'm very conscious of the fact
我很清楚我得
that we have to be careful about damaging material,
小心翼翼地避免破壞這些化石
because it's really very precious and rare.
因?yàn)樗鼈冋娴姆浅Ｕ滟F而稀有
Her experiments are carried out in this tiny laser chamber.
她的實(shí)驗(yàn)就在這個(gè)小激光室中進(jìn)行
We're lining it up to shoot the laser at it,
我們將它擺好對齊 向它投射激光
and the laser releases
激光投射在
a very, very small amount of enamel.
它們極其微量的釉質(zhì)上
The laser vaporises microscopic holes
激光在這些古代牙齒的釉質(zhì)上
in the ancient tooth enamel.
打下了一些微孔
