六角螺帽...

Accusing us of being disloyal to cover his own sorry behavior is truly execrable.他指责我们不忠诚以掩盖他自己的错误行为，真令人厌恶。Convenience is, however, in all affairs of life, an execrable test of value.然而在生活事务的各方面, 利益是可恶的价值准则.He stood at t...

n.暴露( exposure的名词复数 )，揭发，公开，（商品等的）展出...

There are several other excretory mechanisms in earthworms.蚯蚓有好几种排泄机制.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.Describe the excretory syste...

The representation theorem with order - extremal points is obtained for compact order - convex sets.研究了序凸集的一些运算性质,得到了紧序凸集的序端点表示定理.Finally, the Bahadur asymptotic efficient est imator is constructed through extremal stati...