太阳虫是原生动物门、辐足纲、太阳亚纲、太阳虫目的通称。体呈球形，因有许多放射状的丝状伪足自身体伸出、形如光芒四射的太阳而得名。太阳虫目(Heliozoa)原生动物门，肉足虫纲的一目。体呈球形，有两种伪足：一种尖针形，中央有轴丝一条，放射排列于虫体四周，是典型的辐状伪足；另一种丝状，无轴，细而长。伪足用来捕捉食饵。几乎全部生活于淡水中。
每年能看见太阳的日子只有几天“村干部周霍存（音译）说,"我们村总是黑色的，没有人会在外面晒被子，所以我们这寄生虫也多”。
"We only see the sun for a few days each year, " said Zhou Huocun, a community doctor. "The color of our village is black.
假使我们抛却传统下衡量世界的标准，一只小小的萤火虫同太阳一样都值得我们敬畏。
IF IT WERE not for our conception of weights and measures we would stand in awe of the firefly as we do before the sun.
若不是因为我们崇尚重量和尺度，我们站在萤火虫前就会像在太阳前一样心怀敬畏。
If it were not for our conception of weights and measures we would stand in awe of the 34 firefly as we do before the sun.
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