1·They used this crystal to accommodate a set of molecules as they took part in a chemical reaction similar to reactions by enzymes and proteins to regulate and keep alive living systems.
他们以此晶体为参与化学反应的分子提供空间，就如同酶和蛋白对反应的调节和保持生命体系的活性。
2·People living in moderate poverty have the resources to keep themselves alive, but only at a very basic level.
生活在中度贫困中的人们拥有维持生计的物资，但只是非常基本的生活物资。
3·I feel alive when I am driving on and on, not knowing where I will end up living next.
当我在路上不断地开车前进时，我感觉我是活着的，不知道下一刻在哪里我会终止活着。
4·People in all regions of the world are living longer, and the medicines and technologies that keep them alive are becoming increasingly expensive.
世界上所有地区的人都活得更长久，而使他们活下去的药物和技术正在变得越来越昂贵。
5·It offers us a fuller sense of being intensely alive from moment to moment, and this, of course, contributes greatly to the excitement and joy of living.
它常常便我们更充分地意识到生活的紧张激烈，这当然大大有助于增加生活的兴奋和乐趣。
6·The Treasury proposes to extend this perk to living owners of important works, who would get tax breaks by donating treasures while they are still alive.
财政部提议把这个补贴的范围扩大到重要作品的活着的拥有者中，他们可以在他们活着的时候，通过捐赠财物，得到税收减免。
7·In 1990, people living in her neighborhood could hear her playing her piano in the afternoon, and that is how they knew that she was still alive.
于1990年，居住在她的附近的人们每天下午可以听到她演奏钢琴的声音，由此知道她还活着。
8·The living olive keeps the deliverer's liver alive.
活橄榄使发货人的肝脏继续存活。
9·It’s the Swiss Family Robinson come alive, created by a duo of dreamers who had enough of on-grid living in the United States.
这简直就是《海角一乐园》的真实再现嘛，《海角一乐园》是一对在书上生活经验丰富的美国梦想家创作的。
10·Although some of these animals were ancestors of kinds living today, others are now extinct, that is, they have no descendants alive now.
虽然这些动物中有一些是现今活着的各种动物的祖先，但是另一些动物现在已经灭绝了，即他们现在已经没有活着的后代了。