The search for a wonder drug to cure obesity clearly wasn't at an end.对治疗肥胖的神奇药物所进行的探索,无疑并没有就此结束
at an end:结束
Our hunt for a house is at last at an end.
我们找房子的事情终于有了结果。
They wished the voyage at an end.
他们渴望航行结束。
They didn't examine fat people,but concentrated on thin ones instead.他们没有去调查肥胖人群而是把注意力集中在瘦人身上
concentrate on:集中于; 专心于
It's too hot to concentrate on book.
热得不能集中心思看书。
I can't concentrate on my work when I'm tired.
我累了就无法集中精力工作。
concentrate,focus这两个动词均有“集中,聚集”之意。
concentrate指把人或物集中在一起,也可指把精力或注意力集中于某一事物上。
focus侧重指把光、热、射线等集中于一点,也可指把思想或精力等集中于某人或某事情上。
And in order to study that,he needed to take a group of people and make them fat. 为了进行这项研究他需要选择一组人并把他们变胖
in order to:为了
We started early in order to arrive before dark.
为了在天黑前到达,我们很早就动身了。
We learn a language in order to communicate.
我们学习语言是为了交流思想。
a group of:一组; 一群; 一伙
We came up with a group of tourists.
我们赶上了一群旅游者。