| 释义 |
yttrium peroxide
- extemporizationn. 即席作成；即席演说；即兴之作
- 钇yǐ
yttrium (Y)
- 钇合金yǐ hé jīn
yttrium alloy
- 钇族元素yǐ zú yuán sù
yttrium group
- 过氧化氢guò yǎng huà qīng
perhydrol; hydrogen peroxide
- 过氧化物guò yǎng huà wù
superoxide; hyperoxide; peroxide
- 钇化合物yǐ huà hé wù
yttrium compound
- 稀有金属元素xī yǒu jīn shǔ yuán sù
rare metal, yttrium
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