假如两大特征——两足动物和无毛发——结果是差不多同时出现的话，那么可能性的天平就会略微倾向于哈代了。
If it turns out that the big two - bipedality and nakedness - arose at roughly the same time, that might shift the balance of probability some little way toward Hardy.
克里普斯海洋研究所也收集了大量的具壳类无脊椎动物，如下图中这只来自深海的巨型等足类。
Shelled invertebrates also have a home in the collection, including a giant Marine isopod (pill bug) from the deep sea below.
小型无脊椎动物也是克里普斯海洋研究所的收藏对象，其数量足有上亿种，上图中的桡足类(copepod)样本仅是其中的一小部分。
Small invertebrates make up yet another collection at Scripps. The copepods above are just a few of 100 million crumb-sized creatures in the collection.
在南非勘察某自然保护区的一个科学家小组，发现了以前从未有记录的十八个无脊椎动物物种，其中包括有蜘蛛、蜗牛、千足虫、蚯蚓以及蜈蚣。
Scientists surveying a nature reserve in South Africa have discovered 18 previously unrecorded species of invertebrates, including spiders, snails, millipedes, earthworms and centipedes.
蛇是一种无足爬行动物。
异脚类，端足目动物异脚类的一种小甲壳纲动物，如滨海的水蚤，体侧扁，无甲壳。
A small crustacean of the order amphipoda such as the beach flea having a laterally compressed body with no carapace.
这是一个科学疑点，但是这些头足类动物都是大海中的最聪明的无脊椎动物。
That's a matter of scientific intrigue, but such cephalopods are certainly among the brainiest invertebrates in the sea.
作为两足动物，我们直立的习惯在动物界是独一无二的，这种习惯也是为了适应我们的身体和大脑而采取的一种特殊补偿。
Known as bipedalism, our habitual upright posture is unique in the animal kingdom and has arisen through specific complementary adaptations of the body and brain.
例如，人的外延是任何人，如约翰和玛丽；内涵是“两足动物”“无羽毛的”“有理性的”等等。
For example, the denotation of human is any person such as John and Mary, and its connotation is "biped", "featherless", "rational", etc.
浮游动物的数量损伤率为31～90％，受损伤最重的类群是桡足类和无节幼虫。
The damaged rate of the zooplankton is 31-90 percent, the most serious damaged species by the power plant are Copepoda and larval plankton.
浮游动物的数量损伤率为31～90％，受损伤最重的类群是桡足类和无节幼虫。
The damaged rate of the zooplankton is 31-90 percent, the most serious damaged species by the power plant are Copepoda and larval plankton.
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