n.种类；（单复同）物种
There are more than 1,000 alien species in China. 中国的外来物种有1000多种。
The giant panda has become an endangered species. 大熊猫已成了一种濒临灭绝的动物。
There has been a sharp decline in the number of species. 物种数量骤然下降。
species的单复数同形,用作主语时,其谓语动词可用单数形式,也可用复数形式。species有时还可指人,既有褒义,又有贬义。
n.亚种
种间
n.物种歧视
