自1997年以来，美洲虎一直被列为濒危物种，这是野生物种面临生存危险的最高级别。
The jaguar has been listed as endangered since 1997, the highest level of peril for a wild species.
线虫是更高级的生物，而魔鬼线虫是一个新发现的物种。
Nematodes were known from these higher levels, but Halicephalobus mephisto is a new species.
1997年，美洲虎被列为濒危物种，这是野生物种面临生存危险的最高级别。
The jaguar has been listed since 1997 as endangered, the highest level of peril for a wild species.
国际保护自然资源联盟(IUCN)将云豹列为易危(vu)动物，这意味着该物种面临着高级别的灭绝危险。
The clouded leopard is listed as vulnerable by the International Union for Conservation of Nature, which means the species faces a high risk of extinction.
根据五年来的观察，在5487种已知的哺乳动物中，有1141个种群受到威胁，有188个被列入最高级别“濒危灭绝”的物种名单上。
At least 1, 141 of the 5, 487 known species of mammal are threatened, with 188 listed in the highest risk "critically endangered" category.
其他物种似乎都自得其乐，只有我们人类总是无法释然，一定要得到、继而严格确认某种更高级的目标或使命的存在。
All the other life forms seem to get the picture but we humans just cannot get our minds around it and instead demand and then legislate the existence of some higher purpose or mission.
这或许解答了为什么人类是地球上甚至是宇宙中最高级的现存物种。
Probably this might be the reason why we human are the most developed of all living species on the earth, and probably also in the universe.
已经分离出许多物种的非特异性脂转移蛋白，其一级和高级结构均已阐明。
A large number of these proteins have been isolated and their primary and secondary structures have been identified.
人类，作为动物群中进化得最高级的物种，能向较为低级的动物学到些说明呢？
What can man, the most highly evolved species of animal life, learn from less developed creatures ?
现在，宇宙中一些更高级的物种也许已经收到我们的信息，并在考虑如何恢复了。
Right now, a move advanced race may be listening to our transmissions and deciding how to reply.
任何动物都知道为己所取，夺人所爱。只有高级进化物种才以付出为乐。
Every type of animal knows how to get for itself and take away that which some fellow being has, but only the more highly evolved entities find pleasure in giving.
任何动物都知道为己所取，夺人所爱。只有高级进化物种才以付出为乐。
Every type of animal knows how to get for itself and take away that which some fellow being has, but only the more highly evolved entities find pleasure in giving.
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