They prey on other invertebrates, which they capture with a unique proboscis.它们用独特的吻捕食其它无脊椎动物.an excretory organ of certain invertebrates.某些无脊椎动物的排泄器官Insects and worms are all invertebrates.昆虫和蠕虫都是无脊椎动物。In the earthworm ...

Insects and worms are all invertebrates.昆虫和蠕虫都是无脊椎动物。In the earthworm and many other invertebrates, these excretory structures are called nephridia.在蚯蚓和许多其它无脊椎动物中, 这些排泄结构称为肾管.But regulators with spine are still better th...

But, of the vertebrates, unpredictable Nature selected only snakes ( and one lizard ).但是, 在脊椎动物中, 神秘莫测的大自然只选择了蛇 ( 和一种蜥蜴 ).Environmental hormone is a kind of external chemical substance which incretion of human beings and...

invertebrates的音标：invertebrates的英式发音音标为：[ɪn'vɜ:təbreɪts]invertebrates的美式发音音标为：[ɪn'vɜtəbreɪts]...

n.脊椎动物( vertebrate的名词复数 )...

Both groups share two attributes normally associated with vertebrates.两组都具有通常脊椎动物才具备的两个特征。But, of the vertebrates, unpredictable Nature selected only snakes ( and one lizard ).但是, 在脊椎动物中, 神秘莫测的大自然只选择了蛇 ( 和一种蜥蜴 ).Fish, bi...

vertebrates的音标：vertebrates的英式发音音标为：['vɜ:tɪbrɪts]vertebrates的美式发音音标为：['vɜtɪbrɪts]...

n.无脊椎动物( invertebrate的名词复数 )...