这些生长迅速的物种可以覆盖生长较慢的珊瑚，使它们得不到光照，无法恢复生长。
These fast-growing species can grow over the slower-growing species of coral, denying them light and preventing them from recovery.
降雨可以在几小时内使它们恢复生机。
在世界的许多地方中，各个报业公司都在尝试不同的事物使他们的工业恢复生气。
In many parts of the world, individual newspaper companies are trying different things to revitalize their industry.
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