在南非勘察某自然保护区的一个科学家小组，发现了以前从未有记录的十八个无脊椎动物物种，其中包括有蜘蛛、蜗牛、千足虫、蚯蚓以及蜈蚣。
Scientists surveying a nature reserve in South Africa have discovered 18 previously unrecorded species of invertebrates, including spiders, snails, millipedes, earthworms and centipedes.
无脊椎动物，如蜗牛，也被杀死，如果铜的金额就足够了。
Invertebrates, such as snails, can also be killed if the amount of copper is sufficient.
无脊椎动物，如蜗牛，也被杀死，如果铜的金额就足够了。
Invertebrates, such as snails, can also be killed if the amount of copper is sufficient.
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