In Dagestan, Mr.Medvedev reminded Russians that the Caucasus is not a foreign province, but an integral part of Russia.

VOA: standard.2010.04.01

But it turns out that technologies like airplanes, which were developed in the last century, have become integral parts of medicine.

但像飞机这样,在上世纪发展起来的技术,确实已经成为医学不可分割的一部分

耶鲁公开课 - 生物医学工程探索课程节选