这个词语来源于拉丁语，意为“球蛛科”。Theridiidae是一个蜘蛛科，包括了大约3,000个物种，分布在全球各地。这些蜘蛛通常生活在网上，以昆虫为食。
以下是9个使用Theridiidae词语的例句：
1. Theridiidae are characterized by their small size and round abdomens.（Theridiidae的特点是体型较小，而且腹部圆滚滚的。）
2. The cobweb spiders, a type of Theridiidae, are found in many households.（球蛛科中的蜘蛛，包括蜘蛛和宅蜘蛛，在许多家庭中都能找到。）
3. The most famous member of the Theridiidae family is probably the black widow spider.（球蛛科家族中最著名的成员可能是黑寡妇蜘蛛。）
4. Some Theridiidae species are known to produce highly toxic venom.（一些球蛛科物种被知道能产生高度毒性的毒液。）
5. The Theridiidae family is closely related to the Araneidae family.（球蛛科家族与蜘蛛科家族密切相关。）
6. The Theridiidae are often found in gardens, where they spin webs to catch insects.（球蛛科蜘蛛经常出现在花园里，它们会编织蛛网来捕捉昆虫。）
7. The male of the Theridiidae species is typically much smaller than the female.（球蛛科物种的雄性通常比雌性小得多。）
8. The Theridiidae family is known for its ability to adapt to a variety of environments.（球蛛科家族以适应各种环境的能力而著称。）
9. Theridiidae spiders can be found in almost every part of the world.（球蛛科蜘蛛几乎可以在世界上各个角落找到。）
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