科学美国人60秒 SSS 2013-11-04
时间：2019-01-20 作者：英语课 分类：Scientific American(十一)月
英语课
This is scientific america 60 seconds science i'm cristfor dediother. got a minute?46 million years ago, northwest mountainer was traceable forth 1 of gaint fers,conifers,and ginkgoes. tiny primites leave there as did right knows and horses in crocoss. long was less cross medic creatures,mosquito. one of the million mosquitos was then belong under the surface of nichin lake. unable to live off, it eventually sent to the Badama and became a fossil. the fossil mosquito was recently found and analysted. scientist found explicante air bond up to molqui kothi.acount upon bloody 2 carry oxygen, so it appears the saker died and fossilised with bealy flow blood the only known expecenment. the feny apperant persiding tha national academic sciences. now i known you're thinking it.
this lasts three seconds we can million of year with mosquito inside until geresi park science cave along.
well not quiet, DNA 3 breaks down too quickly. and this keep leave 20 million years after dinosaur 4 was extinct. the reaserchers seem birds. which are in some sense, what relatives.
this lasts three seconds we can million of year with mosquito inside until geresi park science cave along.
well not quiet, DNA 3 breaks down too quickly. and this keep leave 20 million years after dinosaur 4 was extinct. the reaserchers seem birds. which are in some sense, what relatives.
adv.向前；向外，往外
- The wind moved the trees gently back and forth.风吹得树轻轻地来回摇晃。
- He gave forth a series of works in rapid succession.他很快连续发表了一系列的作品。
adj.非常的的；流血的；残忍的；adv.很；vt.血染
- He got a bloody nose in the fight.他在打斗中被打得鼻子流血。
- He is a bloody fool.他是一个十足的笨蛋。
(缩)deoxyribonucleic acid 脱氧核糖核酸
- DNA is stored in the nucleus of a cell.脱氧核糖核酸储存于细胞的细胞核里。
- Gene mutations are alterations in the DNA code.基因突变是指DNA密码的改变。