a soft gray malleable metallic element that resembles tin but discolors on exposure to air; it is highly toxic and is used in rodent and insect poisons; occurs in zinc blende and some iron ores
英
美
- 一种软且可延展的灰色金属元素，类似锡，但暴露于空气中会退色，有剧毒，用于制啮齿动物和昆虫毒药，见于闪锌矿和一些铁矿石中
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
