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铍2
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铍2(1)鈹pí(2)钢灰色、轻、坚硬、质脆而有毒的二价金属元素,具有高电导率且X射线对它有高的贯穿能力,以化合物形式存在,可以从它的化合物还原生产(如通过电解),主要用在合金中做硬化剂(如与铜),在X射线管中用作窗并且在核反应堆中用作慢化剂和反射层 [beryllium]――元素符号Be另见pī
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have sb. in one's power
have sb. on a string
have sb on a string
have sb on toast
have sb. on toast
have sb. over a barrel
have sb.'s blood on one's head
have sb.'s ear
have sb's nose out of joint
have sb's number
have sb.'s number
have sb to wife
have sb under hack
have sb up
have sb. up
have seen better days
have sex
have snakes in one's boots
have something on sb
have something on the ball
have something to do with
have something up one's sleeve
have sth about sb
have sth at heart
have sth. at heart
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更新时间:2026/6/13 13:51:04