trilobite

noun

1. 三叶虫（生活于几百万年前的小型海洋生物，已成化石）
   a small sea creature that lived millions of years ago and is now a fossil

1. But the Trilobite is not a toy.
   但“三叶虫”并非一个玩具。
2. The Trilobite can clean a room on its own, using sound waves to feel its way around.
   “三叶虫”可以利用声波探路，从而自己打扫房间。
3. Review on the studies of CAMBRIAN TRILOBITE FAUNAS FROM Jiangnan slope belt, south china, with notes on Cambrian correlation between South and North China
   华南斜坡相寒武纪三叶虫动物群研究回顾并论我国南、北方寒武系的对比
4. Two others of these trilobite fossils have been found in the same area.
   在同一地区还发现了另外两块这些三叶虫化石。
5. Study of Paleotemperature of the lower Cambrian black shale series and their implications in northern Guizhou Province review on the studies of CAMBRIAN TRILOBITE FAUNAS FROM Jiangnan slope belt, south china, with notes on Cambrian correlation between South and North China
   黔北下寒武统黑色岩系古地温及其指示意义华南斜坡相寒武纪三叶虫动物群研究回顾并论我国南、北方寒武系的对比
6. Upper Cambrian in the Cili-Taoyuan area, Hunan and its trilobite succession
   湖南桃源、慈利一带的晚寒武世地层及三叶虫序列
7. A new genus of Middle Cambrian Trilobite from zaozhuang, Shandong
   山东枣庄中寒武世一个三叶虫新属
8. A late UPPER CAMBRIAN TRILOBITE FAUNA from Northwestern Jiangxi
   江西武宁晚寒武世晚期三叶虫
9. Problems of Cambrian trilobite biogeography Biological Calcification Bio-Mass Spectrometry
   寒武纪三叶虫生物地理区的一些问题
10. Some ORDOVICIAN TRILOBITE ( cyclopygidae) from Hunan
    湖南奥陶系圆尾虫科（Cyclopygidae）三叶虫
11. ORDOVICIAN TRILOBITE biofacies of North China platform and its western marginal area
    华北地台及其西缘奥陶纪三叶虫相
12. The study on the trilobite ontogeny can not only provide abundant material for their classification and evolutionary origin, but also be important on the study of the phylogeny and evolution of other arthropods.
    研究三叶虫的个体发育不仅能够为三叶虫的自然分类和系统演化提供极其丰富的化石材料和证据，而且对于研究其它节肢动物（例如甲壳类）的系统发生和演化同样具有重大意义。

noun

1. an extinct arthropod that was abundant in Paleozoic times