Americium oxide
[化] 氧化镅(有AmO;AmO-2;Am-2O-3)
🗣️ 情景例句
It probably means he's clearing his throat.
也许表示他正在清喉咙。
To love and to be loved is the greatest happiness of existence.
爱人和得到人爱是人生最大的幸福。
It was half past four. Everything was ready.
一切都准备好。
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