pitchblende
pitchblende[ˈpɪtʃblɛnd]noun- [mass noun]a form of the mineral uraninite occurring in brown or black pitch-like masses and containing radium
沥青铀矿
语源- late 18th cent.: from German Pechblende, from Pech 'pitch' + Blende (see blende)
热门查询
- inventroy n.详细目录,存货清单
v.列入详细目录,清点存货
- inveracious adj.不真实的,虚假的
- inveracity n.不诚实
- inverse adj.相反的,逆向的,倒转的
n.相反,倒转,相反的事物
vt.使倒转,使颠倒
- inverseimage n.逆像,原像
- inversely adv.相反的
- inversion n.倒置,(尤指词序)倒装,转化,(染色体的)倒位
- inversive adj.反逆的
- invert vt.使…前后倒置,使反转
n.颠倒的事物,变性者
adj.转化的
- invertase n.转化酵素
- invertebrate adj.无脊椎的
n.无脊椎动物
- inverted adj.反向的,倒转的
v.使倒置,使反转( invert的过去式和过去分词 )
考试词汇表