野生撒尔沙、野生燕麦、玉竹和大量的林下叶层植物相继死光；宾夕法尼亚莎草之类的草类物种接管了领地。
Wild sarsaparilla, wild oats, Solomon's seal and a host of understory plants die off; grass-like species such as Pennsylvania sedge take over.
然而，使用中的大多数激光器都是低功率类型的，它们远非科学幻想小说中的死光。
Most lasers in use, however, are low power types. They are far from being the death rays of science fiction.
并非我所有的花草都死光了。
并非我所有的花草都死光了。
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