他老了很多。
Today I want to talk about a way in which we are able to determine how old a piece of land, or some other geologic feature is—dating techniques.
今天我想谈谈一种使我们能够确定一块土地或其他一些地质特征的年代的方法——年代测定技术。
Treatment starting when they were around 20 months old, a stage comparable to early old age in people.
在小鼠20月大时，即相当于人类老年期的初期，开始给予治疗。
That triumph earned the then 18-year-old a championship medal which, in turn, made him the youngest recipient in Premier League history.
这史诗般的胜利使年仅18的克里希成为了联赛历史上最最年轻的领奖人。
He says that no matter how old a body is, researchers must balance the benefits of their research against the potential rights and desires of the deceased individual.
他说，不管尸体多么的古老，研究人员都必须在自己的研究利益和逝者的权利、愿望之间进行权衡。
For a while he had looked for similar work but discovered that in a recession no one wants to pay an unemployed 56-year-old a six-figure salary to work in marketing.
有一阵子他一直想找类似的工作，但他发现，在经济衰退期间，没人想给一位56岁的失业者发放6位数年薪，做市场营销。
If two-million-year-old A. sediba is indeed the true ancestor of Homo, how could it give rise to those even older fossils assigned to Homo in Bill Kimbel's shoe box?
如果距今200万年的南方古猿源泉种确实是人属的真正祖先，它怎么可能繁衍出比尔·吉姆贝尔（威廉·吉姆贝尔？） 鞋盒子中距今历史更长的化石人属？
This experiment suggested that at about 4 to 6-years old a range of remarkable skills start to emerge in young children that are vital for their successful functioning in society.
这个实验指出，在4到6岁的时候，孩子们开始具备一系列重要的社会技能，这对他们日后能否在社会中应对自如至关重要。
We used the branch of an old tree as a seat.
我们坐在一棵老树的树杈上。
He wore old jeans and a pair of sneakers.
他穿一条旧牛仔裤，脚蹬运动鞋。
His clothes, as always, looked rather old: a blue jacket and grey trousers.
他的衣服像往常一样，看起来相当旧：一件蓝色的夹克和灰色的裤子。
That old factory is a real eyesore!
那老工厂实在碍眼！
那是个宜人的老农场。
He traded in his old car for a new Mercedes.
他把旧汽车折价添钱买了辆新奔驰。
She came across some old photographs in a drawer.
她在抽屉里偶然发现了一些旧照片。
他是个诡计多端的老狐狸。
A nine-year-old boy was trapped in a snow drift.
一个9岁的男孩陷在雪堆里了。
She wore shabby old jeans and a T-shirt.
她穿着一条破旧的牛仔裤和一件T恤衫。
老板是个狡猾的老狐狸。
他这位老兄人不错。
Paul made five-year-old Michelle a birthday cake with yellow icing.
保罗给5岁的米歇尔做了一个裹了黄色糖霜的生日蛋糕。
The old man has a tremor in his hands.
那位老人的双手颤抖着。
He pulled on a battered old crash helmet with a scratched visor.
他戴上了一顶破旧的、面罩上已有划痕的防护头盔。
Xandra is an athletic 36-year-old with a 21-year-old's body.
赞德拉是位36岁却有着21岁人体格的运动型人。
他是个奸诈狡猾的家伙。
他是个铁汉子。
By and by she met an old man with a beard.
她不久就碰到了一个大胡子老头。
A famous old name on a firm is not necessarily a guarantee of quality.
公司的老字号并不一定能保证质量。
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