palladium
palladium1
[pəˈleɪdɪəm]
noun
palladium2
[pəˈleɪdɪəm]
(pl. palladia -dɪə)
[pəˈleɪdɪəm]
noun
- [mass noun]the chemical element of atomic number 46, a rare silvery-white metal resembling platinum(Symbol: Pd)
钯(符号：PdPd)
- early 19th cent.: modern Latin, from Pallas, the name given to an asteroid discovered (1803) just before the element
palladium2
[pəˈleɪdɪəm]
(pl. palladia -dɪə)
- (archaic)a safeguard or source of protection
(古)保护；保障
- late Middle English (in the Greek sense): via Latin from Greek palladion, denoting an image of the goddess Pallas (Athene), on which the safety of Troy was believed to depend
热门查询
- abandonee n.被遗弃者，被委付者
- abandoner n.遗弃者，委付者
- abandonment n.放弃,抛弃,遗弃,放任
- abaptiston n.圆锯（用于脑部手术）
- abas n.列线图，诺谟图,毛织物，（阿拉伯式）长袍( aba的名词复数 ) v.打倒
- abasable adj.可贬黜的，可降低的
- abase vt.使谦卑,使感到羞耻,使降低（地位、身份等）,<古>降下 n.贬低,屈辱,贬低别人的人
- abasement n.贬低,谦卑,屈辱,降低
- abash vt.使羞愧，使局促，使窘迫 adj.窘迫的，尴尬的 adv.窘迫地，尴尬地 n.窘迫，尴尬
- abashed adj.窘迫的，尴尬的 v.使羞愧，使局促，使窘迫( abash的过去式和过去分词 )
- abashment n.羞愧，害臊
- abasia n.（神经系统疾病引发的）步行不能
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