'Troodontidae'是英语词汇，可以翻译为“伤齿龙科”。这个词语是指一类已灭绝的两足恐龙，生活于约1.45亿年前到7500万年前的地球上。它们的化石主要在北美、亚洲和欧洲被发现，身长通常不超过2米，拥有很大的脑部和锋利的牙齿。目前已知的Troodontidae种类包括Sinovenator、Troodon、Byronosaurus等。
例句：
1. Troodontidae最早于侏罗纪晚期出现在贝克岛的森林中。
Troodontidae first appeared in the forests of Baker Island in the late Jurassic period.
2. 根据化石记录，Troodontidae可能是羽毛最早的恐龙之一。
According to fossil records, Troodontidae may be one of the earliest dinosaurs with feathers.
3. 该地区的Troodontidae骨骼化石表明这里曾是一个适合恐龙生存的环境。
The Troodontidae skeletal fossils in the region indicate that it was once a suitable environment for dinosaurs.
4. 人们发现了一些Troodontidae脊椎骨化石，这为研究恐龙进化提供了重要证据。
Some Troodontidae vertebral fossils have been found, providing important evidence for the study of dinosaur evolution.
5. 最新的研究表明，Troodontidae可能是当时最聪明的恐龙之一。
Recent studies suggest that Troodontidae may have been one of the smartest dinosaurs at the time.
6. 由于它们的身体结构和独特的齿形，Troodontidae被认为是杀手鸟的近亲。
Due to their body structure and unique tooth shape, Troodontidae are considered close relatives of the raptors.
7. 人们在这个地区找到了一个保存完好的Troodontidae化石群，这让科学家们有机会更好地了解这些恐龙的生态环境。
A well-preserved Troodontidae fossil group was found in the area, giving scientists the opportunity to better understand the ecological environment of these dinosaurs.
8. Troodontidae的化石被发现在全球各个地方，这表明它们曾广泛分布于不同的环境中。
Troodontidae fossils have been found all over the world, indicating that they were widely distributed in different environments.
9. 这个研究小组的发现表明，Troodontidae和始祖鸟之间存在一些共同的进化特征。
The findings of this research team suggest that there are some common evolutionary features between Troodontidae and the ancestor bird.
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