Trilobite

[trailәubait]

解釋/意思:

(noun.) an extinct arthropod that was abundant in Paleozoic times; had an exoskeleton divided into three parts.

手打:撒迪厄斯--From WordNet

解釋/意思:

(n.) Any one of numerous species of extinct arthropods belonging to the order Trilobita. Trilobites were very common in the Silurian and Devonian periods, but became extinct at the close of the Paleozoic. So named from the three lobes usually seen on each segment.

整理:卢修斯

解釋/意思:

n. one of an order of fossil crustacea entirely confined to the Paleozoic rocks.—adj. Trilobit′ic.

整理:劳拉