These fast-growing species can grow over the slower-growing species of coral, denying them light and preventing them from recovery.
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。
2
They clear foliage from the trees to allow in light, then grow the plants between the trunks to hide them from aerial detection by the drug authorities.