pitchblende
英音 [ ˈpɪtʃblend ]
美音 [ ˈpɪtʃˌblend ]
释义
n. [矿物] 沥青铀矿
例句
1·The radiometric age of pitchblende is 109-108 m.
沥青铀矿的同位素年龄为108—109百万年。
2·The pitchblende is the chief industrial mineral.
沥青轴矿是主要工业矿物。
3·Uranium mineral is pitchblende which was formed in Lower Proterozoic.
铀矿物主要为沥青铀矿，形成于早元古代。
同义词
n.
[矿物]沥青铀矿
uraninitenasturan
同根词
词根 pitchy
pitching
adj
倾斜的；陡的
pitchy
adj
漆黑的；沥青的；粘性的
pitching
n
俯仰；铺地石；投手投球
pitching
v
使倾斜（pitch的ing形式）；投掷；用沥青涂；为…定调
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