在北卡罗莱纳州的松树稀树草原上，对火灾增长的抑制使得其他植物生长过快，在它们的自然环境中胜于捕蝇草。
In the pine savannah of North Carolina, the increasing suppression of fires is allowing other plants to grow too quickly and out compete the flytraps in their native environment.
他们研究了太阳的运动，还关注了其他自然变化，如气温、水和植物生长。
They studied the sun's movement and also paid attention to other natural changes such as air temperature, water and plant growth.
问题的关键是两种自然现象之间的平衡，有利的一种是：随着空气中二氧化碳含量升高，植物生长得更快，回过头来吸收更多的碳。
At issue is the balance between two natural phenomena. One is beneficial: as carbon-dioxide levels in the air rise, plants grow more quickly, absorbing more carbon in return.
应用推荐