我认为是不对的，因为文章中说了only through
【 在 lhsx555 的大作中提到: 】
: 文章：
: There are different types of plants all around us. We only know some of them in the gardens or in the markets.Today I will introduce two kinds of plants you might not know.
: The diatom is one of the smallest plants in the world.A drop of water may have about 500
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