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氦
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氦helium 【化】 helium 【医】 He helion helium 氦hài〈名〉化学元素名。一种极轻的无色惰性气态元素,是所有气体中最难液化的,存在于整个宇宙中,但只在某些天然气中含有在经济上值得提取的量,主要用于填充飞艇和气球 [helium]――元素符号He
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desiccated pituitary substance
desiccated posterior pituitary
desiccated whole pituitary
desiccation
desiccation of the body
desiccative
desiccator
desicchlora
desiderata
desiderate
desiderative
desideratum
desideus
design
designable
design accuracy
design aid
design aids set
design algorithm
design analysis
design analyzer
designate
designated bank
designated currency
designated deposit
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更新时间:2026/5/15 17:33:47